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National Science Foundation: 145 Resources

A Science Odyssey highlights some the most spectacular discoveries in science and technology during the 20th century. The site includes an Educator's Guide with activities, discussion questions, and...  (National Science Foundation)
A Tour of the Cell is an interactive exploration of the smallest unit of life, the cell. The human body is made up of tens of trillions of cells, which have developed a highly synchronized set of...  (National Science Foundation)
Accidental Scientist: Science of Cooking looks at the science behind food and cooking. Learn about what happens when you eat sugar, bake bread, cook an egg, or pickle foods. Find out how muscle turns to meat, what makes...  (National Science Foundation)
Action Bioscience offers scientific articles and lessons. Topics include the value of a garden, plant genebanks, bacteria (friend or foe?), biodiversity, real-life aliens (introduced species), apes...  (National Science Foundation)
Activity-Based Physics presents "thinking problems" for physics topics: vectors, kinematics, momentum, circular motion, universal gravitation, sound, energy, temperature, and circuits. Problems include...  (National Science Foundation)
Advanced Technology Environmental Education Center provides information on careers, training, and professional development; environmental programs in high schools and colleges; curricula for high school and associate degree programs...  (National Science Foundation)
Alsos Digital Library for Nuclear Issues offers annotated references to articles, books, films, and websites for the study of nuclear issues. Topics include fission and fusion, nuclear power and waste, plutonium and tritium...  (National Science Foundation)
Animal Diversity Web is a searchable encyclopedia of thousands of photos, descriptions, sound recordings, and other information about individual animal species. Find out about amphibians, arthropods...  (National Science Foundation)
Arctic and Antarctic looks at research being conducted in the two polar regions of earth. These vast, icy, inhospitable environments provide "natural laboratories" for scientists to study basic questions...  (National Science Foundation)
Astronomy & Space Classroom Resources provides lessons and web resources from the National Science Digital Library. Learn about amateur telescope making, black holes, UFOs, astronomy research, myths and misconceptions...  (National Science Foundation)
Astronomy and Space looks at research into fundamental questions: Where did everything come from? What is the universe made of, and how does it work? What is our place in the cosmos? Are we alone...  (National Science Foundation)
Astronomy and Space at Science360 features 20+ videos on black holes, dark matter, evolution, neutrinos, sun spots, and space food. Learn about a new planet entering the Milky Way, boiling in zero gravity, simulating...  (National Science Foundation)
Astronomycenter.org is a collection of Astronomy 101 reviewed digital resources for teachers and students. Topics include asteroids and comets, astrobiology, big bang theory, black holes and pulsars...  (National Science Foundation)
Astrophysics Science Project: Integrating Research and Education (ASPIRE) offers lessons for learning about the atmosphere, force, gas particles, cosmic rays, kinetic energy, lunar phases, machines, momentum, the night sky, refraction demos (prisms and...  (National Science Foundation)
Balanced Assessment offers over 300 mathematics assessment tasks for grades K-12. Topics and activities include averages, addition, area, batting orders, bicycle rides, chance of rain, chance of...  (National Science Foundation)
BEN: BiosciEdNet provides access to more than 4,000 reviewed resources covering 76 biological science topics: agriculture, anatomy, bacteriology, biochemistry, biodiversity, biotechnology, botany...  (National Science Foundation)
Beyond Penguins and Polar Bears is a new online magazine to help elementary school teachers develop their knowledge of the Arctic and Antarctica and organize science and literacy instruction around polar themes. The...  (National Science Foundation)
Bio-Link.org offers instructional materials and professional development for biotechnology instructors. Find online courses, lab equipment, publications, information on biotech in high school...  (National Science Foundation)
Biology explores biological molecules, self-assembly, and DNA. Zoom in on the macromolecules from which living things are made. Discover how, on the molecular level, things can assemble...  (National Science Foundation)
Biology Classroom Resources provides lessons and resources from the National Science Digital Library. Learn about cells, slugs, whales and dolphins, lions and tigers, turtles, biotechnology, biodiversity...  (National Science Foundation)
Biology Research Overview includes an interactive tour of the cell and discussions around questions: How do viruses attack cells? How will technology open new doors in biology? How can the mustard plant help...  (National Science Foundation)
Brain Anatomy explores major areas of the brain using this 3-dimensional model...  (National Science Foundation)
Bugscope offers magnified images of specimens of beetles, spiders, and other insects and anthropoids viewed through an electron microscope...  (National Science Foundation)
Calculus on the Web offers an interactive environment for learning, practicing, and experimenting with the ideas and techniques of calculus. It is organized in seven parts: Precalculus; Calculus I, II...  (National Science Foundation)
Case Method of Teaching Science features case studies for use in teaching anatomy, chemistry, environment, evolution, medicine and health, microbiology, molecular biology and genetics, physics and engineering, plant...  (National Science Foundation)
Centers for Ocean Sciences Education Excellence provides resources for learning about Arctic sea ice, Bearing Sea ecosystem, climate change, coastal wetlands, coral reefs, fisheries, Great Lakes, hydrothermal vents, ocean systems...  (National Science Foundation)
CERN, the World's Largest Particle Accelerator features scientists and machines that explore the universe's tiniest particles. Follow a proton through the accelerator. Meet scientists at CERN. Hear why...  (National Science Foundation)
Chemistry presents online simulations of thermodynamics, states of matter, water, and reactions. See interactive visualizations of Brownian motion, Maxwell's speed distribution law, diffusion...  (National Science Foundation)
Chemistry and Materials: Research Overview looks at the sciences of stuff and some of the greatest challenges in the field today: understanding "emergence" (when the whole adds up to much more than the sum of its parts)...  (National Science Foundation)
Chemistry at Science360 features 60+ videos on plastics, self-healing polymers, explosive sniffing plants, bacteria-powered fuel cells, converting waste to energy, carbonated drinks, hamburgers, cheese...  (National Science Foundation)
Chemistry Now is an online video series that explains the science of common foods and objects -- water, cheese, bread, chocolate, flowers, nylon, artificial sweeteners, and more...  (National Science Foundation)
ChemLinks Coalition offers resources for the first 2 years of college chemistry. Topics include global warming, ozone, fats in our diet, computer chip thermochemistry, making water safe to drink, what's...  (National Science Foundation)
Climate Discovery Teacher's Guide includes lessons on how the sun's magnetism interacts with the earth's magnetic field, how scientists study ancient climates, how the earth system works and how climate changes over...  (National Science Foundation)
Computing describes research efforts in computer science and engineering aimed to create information systems of the future -- virtual one-on-one instruction for students of all ages, robots to...  (National Science Foundation)
Cyberinfrastructure examines the convergence of three realities -- the spread of the Internet, the shrinkage of computers, and the accumulation of databases -- that has led researchers to envision a...  (National Science Foundation)
Diagnoser is a web-based program that lets teachers assign questions for students to answer on the web. As students answer questions, they receive feedback. Teachers can see reports on...  (National Science Foundation)
Digital Library for Earth System Education is a geoscience community resource that supports teaching and learning about the Earth system. Find thousands of reviewed resources on topics that include atmospheric science...  (National Science Foundation)
Disasters looks at research that helps anticipate disasters and minimize their effects. Learn about research on hurricanes, earthquakes, and volcanoes. See what scientists are discovering about...  (National Science Foundation)
Earth and Environment at Science360 features nearly 200 videos on climate change, earthquakes, bark beetles, mosquitos, marshes, invasive earthworms, rising sea levels, ocean CO2, ocean viruses, phytoplankton, algal...  (National Science Foundation)
Earth and Environmental Science: Research Overview examines questions that scientists are pursuing: What part do we play in earth's changing climate? What can rock layers tell us about earth's history? How can we understand the forces...  (National Science Foundation)
Earth and Space Science provides activities, animations, and lessons on the structure, processes, and history of earth, as well as the solar system, and astronomy. Topics include earthquakes, faults...  (National Science Foundation)
Educators' Bridge provides lessons and guides for teaching about earth's climate and the role of carbon, weather, the sun, wildfires, the water cycle, clouds, storms, atmospheric science, and other...  (National Science Foundation)
Einstein's Big Idea tells the story behind the world's most famous equation, E = mc2. Learn about its discovery and legacy. Meet scientists whose experiments laid the groundwork. Read about the unknown...  (National Science Foundation)
Enduring Resources for Earth Sciences Education is a database of materials for teaching earth science concepts. Created by teachers and earth scientists, the database includes maps, documents, and other resources for teaching about...  (National Science Foundation)
Energy and Material Cycles Visualizations provides animations, images, graphs, and photos on the carbon cycle, greenhouse gases, sea ice, sea level change, interglacial cycle, continental drift, tectonic cycle, and the...  (National Science Foundation)
Engineering looks at the work of engineers: using fundamental science to design and develop new devices and systems to solve societal problems. Learn how engineers help improve health, national...  (National Science Foundation)
Engineering Is Elementary provides lessons and overviews on acoustical engineering, agricultural engineering (insects), civil engineering (balance and forces), environmental engineering (water), industrial...  (National Science Foundation)
Evolution and the Nature of Science Institutes is a collection of classroom lessons to help biology teachers more effectively teach basic concepts. They were developed and tested during nine years of summer institutes by biology...  (National Science Foundation)
Exploratorium Online features dozens of online learning activities and exhibits. Make a mold terrarium, pinhole projector, telescope, or hair hygrometer. Explore the brain, biodiversity, Antarctica, DNA...  (National Science Foundation)
Exploring Earth: Investigations provides more than 75 earth science investigations. Each presents photos and text (and sometimes video) that help students understand key earth science concepts. Among the topics...  (National Science Foundation)
Exploring Earth: Visualizations features over 100 animations and images that illuminate key concepts in earth science. Examples are: coal formation, nuclear fission, growth of a continent, tectonic plate movement...  (National Science Foundation)
Exploring the Nanoworld Teaching Modules helps teachers incorporate nanotechnology into high school chemistry and middle school technology classes. High school modules explore x-ray diffraction and scanning probe microscopy...  (National Science Foundation)
Galileo's Battle for the Heavens explains why Galileo is the father of modern science, why Galileo's refractor and Newton's reflector remain the two standard types of optical telescopes today, and Galileo's big...  (National Science Foundation)
Global Climate Change offers a window into the world of scientific research on climate change. Learn about physical processes underlying the earth's climate, data on how the climate is changing and the...  (National Science Foundation)
Global Warming Debate discusses global warming, policy struggles to address it, international efforts, the idea of a cap-and-trade system, and more. Interactive features show how much CO2 different cars...  (National Science Foundation)
Grand Challenges for Engineering presents essays and opinions from engineers, scientists, and others: What will be the next great ideas in engineering? Read about the challenges of landing on Mars, engineering for...  (National Science Foundation)
Green Revolution features 10 fast-paced videos on alternative energy -- wind, solar, hydrogen, biomass, green roofs, smart grid, microbes, electric vehicles, and the CityCar project...  (National Science Foundation)
Hands-On Universe is an educational program that enables students to investigate the universe while applying tools and concepts from science, math, and technology. Using the Internet, HOU participants...  (National Science Foundation)
Hubble, a View to the Edge of Space looks at the people, tools, ideas, and places of the Hubble Space Telescope. See how scientists on earth talk to the telescope in space. Dissect Hubble's images and see what they...  (National Science Foundation)
Ice Stories: Dispatches from Polar Scientists features photos, blogs, and webcasts of penguin biologists, glaciologists, cosmologists, geologists, and marine scientists working in Antarctica and the Arctic. They're documenting...  (National Science Foundation)
InterMath is designed to help middle school teachers deepen their understanding of math concepts. More than 200 "recommended investigations" are offered for teachers to solve and then modify...  (National Science Foundation)
International Children's Digital Library aims to make the best in children's literature from around the world available free on the web. It includes nearly 5,000 books in over 50 languages in a child-friendly format for...  (National Science Foundation)
Journal of Online Mathematics and its Applications offers articles, learning modules, "mathlets" (single-purpose learning tools), reviews of online resources, and a developers' area. Search contents of the journal by type of resource...  (National Science Foundation)
Kinetic City Cyber Club is the home of the Kinetic City Super Crew, a bunch of cool kids and their talkative supercomputer, ALEC. On board their super train, the Kinetic City Express, the Crew travel the...  (National Science Foundation)
Language and Linguistics examines the mental and physical aspects of speech, why foreign speakers pronounce words differently from native speakers, how we learn language, why languages change, how changes...  (National Science Foundation)
Life Sciences offers activities, animations, and lessons on cells, diversity of life, ecology, evolution, heredity and genetics, and the human body. Topics include cell division, embryos, energy...  (National Science Foundation)
Life Sciences at Science360 features 120+ videos on bats, bed bugs, bird wings, butterflies, brain mapping, evolution, football science, genetics, gorillas, jellyfish, mitochondria, orangutans, red-eyed tree...  (National Science Foundation)
Long Island Consortium for Interconnected Learning in Quantitative Disciplines presents a collection of online projects: calculus and physics problems, calculus projects, problem sets for precalculus, multiple choice and essay questions for calculus I-III...  (National Science Foundation)
Madison Materials Research Science and Engineering Center introduces students to nanotechnology. Learn how we can "see" atoms, manipulate them, and create nano-architectural wonders. Watch nanoscience demonstrations. Read profiles of...  (National Science Foundation)
Mars Exploration Rovers tells the story of Spirit and Opportunity, two rovers that are investigating the hills and craters of Mars. See an animation of Spirit's journey from launch pad to Mars. Learn about...  (National Science Foundation)
Math Forum provides high-quality math education content. The site features a problem of the week for students in grades 3-12, collections of math resources grouped by subject and grade level...  (National Science Foundation)
Math: What's the Problem? examines the state of math education in the U.S. and the roles of culture, technology, and research on improving math learning and proficiency. Learn about the "miles per gallon...  (National Science Foundation)
MathDL provides Java applets, interactive modules, and Flash presentations for studying numerical and graphical solutions of differential equations, parametric representations of curves, the...  (National Science Foundation)
Mathematics Across the Community College Curriculum provides course descriptions and student projects in anthropology, art, biology, business, chemistry, computer science, economics, English, environmental science, health, marketing...  (National Science Foundation)
Mathematics Across the Curriculum features an "electronic bookshelf" of materials for teaching math in art, history, literature, and music, as well as science, engineering, and other disciplines traditionally...  (National Science Foundation)
Mathematics: Research Overview looks at topics of major research in mathematics: image creation, statistics, inverse problems, CPU testing, materials and nanotechnology, proteins, random graphs, prime numbers...  (National Science Foundation)
MathTools offers hundreds of online tools, lesson plans, and learning activities for teaching and learning math—currently for grades 2 and 7 and precalculus. Tools are offered for studying...  (National Science Foundation)
MaudNESS Cruise tells the story of a 56-day cruise into the Southern Ocean (Antarctic) to learn about conditions and events that cause ocean circulation, a key factor in setting the climate around the...  (National Science Foundation)
Microbial Life focuses on the ecology, diversity, and evolution of micro-organisms. Learn about marine microbes and extremophile microbes that live in inhospitable environments. Explore the Gulf of...  (National Science Foundation)
Mixing in Math offers 40 activities that can be used to "slip a little math" into kids' everyday routines. Activities include using clocks and calendars, figuring lengths and widths, gathering and...  (National Science Foundation)
Molecular Logic Database provides 130 model-based activities for learning about interactions of atoms and molecules, and rule-based genetics. Topics include atomic-molecular structures and dynamics, states of...  (National Science Foundation)
Molecular Stepping Stones features online activities, including simulations, to help students understand 10 key concepts underlying many biological processes. Topics include atomic structure, random motion...  (National Science Foundation)
Molecular Workbench offers tools for visualizing and computing the motion of atoms and molecules. See simulations of diffusion, dissolution, distillation, chemical reactions, chain reactions...  (National Science Foundation)
Monarchs in the Classroom focuses on research and understanding of monarch butterflies. Learn about their growth, natural enemies, interactions with milkweed, migration, population dynamics, and more...  (National Science Foundation)
Ms. Lindquist: The Algebra Tutor is a place where students can get extra help learning how to write algebra expressions for word problems...  (National Science Foundation)
Museum of Paleontology features online exhibits and activities that allow you to experience the excitement of discovering and reconstructing a dinosaur, see underwater photos of a great white shark, trace...  (National Science Foundation)
Nanotechnology shows animations of molecular crystals, material strength experiments, different phases of liquid crystals, shockwaves, interatomic interactions in the soft v. hard materials, a...  (National Science Foundation)
Nanotechnology: The Power of Small is the companion website for a public television series on nanotechnology and the environment, health, and privacy. See video clips of expert panels as they wrestle with dilemmas: the...  (National Science Foundation)
National Center for Learning and Teaching in Nanoscale Science and Engineering offers summer professional development opportunities for teachers and online courses. One course, "Introduction to Nanometer Scale," looks at strategies for controlling the structure...  (National Science Foundation)
National Library of Virtual Manipulatives provides interactive online math lessons, activities, and assessments. Topics include fractions, functions, geometric transformations, integer arithmetic, patterns and sequences...  (National Science Foundation)
National Science Digital Library provides access to resources in science, technology, engineering, and mathematics education and research. From video clips teaching cell division to simulations demonstrating plate...  (National Science Foundation)
Nature of Science provides activities and lessons for learning about the scientific process, science and society, and science as a career...  (National Science Foundation)
NOVA scienceNOW is the companion website for a TV show on science breakthroughs and personalities. Learn about a frog that freezes solid in winter and comes back to life in spring. Watch videos...  (National Science Foundation)
NSF and the Birth of the Internet is a multimedia story of the creation of the Internet. Learn about the individuals who began connecting computers in the 1960s. Listen to Vint Cerf, often referred to as "the father...  (National Science Foundation)
NSF Current features cutting-edge science and engineering research and education. Learn about photosynthesis, Alzheimer's disease, carbon nanotubes, volcanoes, extreme microbes, and more...  (National Science Foundation)
NSF Multimedia Gallery provides nearly 100 videos and webcasts on a range of science topics: a fossil that may represent the first vertebrate to emerge from the sea, turning forest-industry waste into fuel...  (National Science Foundation)
NSF Special Reports presents web-based reports on language and linguistics, Einstein and physics, weather patterns, the chemistry of water, the 2004 tsunami, arctic climate research, Admiral Byrd's...  (National Science Foundation)
Oceans Alive explores the mountains, abysses, and other physical features of the ocean floor, as well as the movement of the continents, the water cycle, the four oceans, waves and wind, currents...  (National Science Foundation)
Online Science-athon helps students discover the science in their daily lives. It is organized around four events: How Tall Am I? (Grades 2-3), the Marble Roll (Grades 4-8), Catching Sunshine, and the...  (National Science Foundation)
Origins lets us look over the shoulders of scientists and glimpse the often-unseen moments of investigation. Take "virtual field trips" to eight observatories -- Arecibo, where...  (National Science Foundation)
Paleontology Portal invites students to discover prehistoric life in the U.S. by state and time period, see famous fossil localities and assemblages, and search fossil images and paleontology collections...  (National Science Foundation)
Pedagogy in Action documents more than 25 pedagogic techniques for teaching sciences to undergraduates: case-based learning, game-based learning, making and testing conjectures, peer review...  (National Science Foundation)
Physical Sciences presents more than 200 activities, visualizations, and lessons on electricity and magnetism, energy, heat and thermodynamics, interactions of matter, light and optics, measurement...  (National Science Foundation)
Physical Sciences Resource Center offers hundreds of annotated lessons, simulations, and resources for teaching topics in the physical sciences, including astronomy, classical mechanics, electricity and magnetism...  (National Science Foundation)
Physics offers a bird's-eye view of the great challenges in physics today. Read about self-organization, network theory, superconductivity, superfluidity, supersolids, quantum mechanics...  (National Science Foundation)
Physics provides more than 40 online interactives that demonstrate concepts in mechanics, fluid mechanics and dynamics, electromagnetism, and quantum physics. Watch simulations of a pendulum...  (National Science Foundation)
Physics Education Technology (PhET) produces fun, interactive simulations of physical phenomena. More than 80 simulations let students experiment with circuits, string tension, kinetic and potential energy, radios waves...  (National Science Foundation)
Physics to Go is a collection of reviewed resources for teaching and learning about astronomy, electricity and magnetism, fluids, light, modern physics, motion and energy, quantum physics, and waves...  (National Science Foundation)
Profiles of Scientists and Engineers helps students understand: What's it like to be a scientist or engineer? What do they do all day? Watch an electrical engineer, an exercise scientist, a biomedical engineer, and...  (National Science Foundation)
Project SkyMath: Making Mathematical Connections uses real-time weather data, involves classrooms in hands-on mathematics. It is designed for middle school mathematics teachers and contains all of the information needed to use the...  (National Science Foundation)
Reciprocal Net is a database used by research crystallographers to store information about molecular structures. Images of molecules can be manipulated in 3D. Learn about molecules of minerals and...  (National Science Foundation)
Rock Cycle Animations shows common rock-forming processes. See magma crystallize to form igneous rock, rock erosion to create sediment, transportation of sediment, deposition of sediment to create...  (National Science Foundation)
Science Nation is an online magazine that each week looks at discoveries and researchers that will change our lives: an artificial retina that can help the blind to see, new materials for building...  (National Science Foundation)
Science of Music invites children of all ages to explore the "science of music" through movies, questions, and online exhibits. Compose, mix, and play with music in ways you probably haven't before...  (National Science Foundation)
Science360 for iPad provides easy access to engaging science and engineering images and video from around the globe and a news feed featuring breaking news from NSF-funded institutions. Content is either...  (National Science Foundation)
ScienCentralNews provides the latest news on developments in life sciences, physical sciences, and technology. Sort articles by topic -- genetics, animals, the brain, chemistry, physics, earth, oceans...  (National Science Foundation)
Sea Monsters: A Prehistoric Adventure Movie provides photos and video clips from this movie about creatures that roamed the seas 82 million years ago. Discover sea monsters of the past and present using the interactive time...  (National Science Foundation)
Search for Ancestors looks at the history of the double helix, the science behind DNA test kits for people who want to learn more about their ancestry, an interactive map of human migration over 200,000...  (National Science Foundation)
Secret Lives of Wild Animals looks at new technologies being used to observe animals in their natural environments. See video clips and stories about tracking white-tailed deer, ocelots, agoutis, dragonflies...  (National Science Foundation)
Secrets of Plant Genomes Revealed! tells the story of corn, cotton, and potatoes and introduces us to genome sequencing scientists. Watch videos about mutations, genetically engineered food, the importance of...  (National Science Foundation)
Silencing Genomes introduces us to RNAi, a mechanism by which biologists "down-regulate" gene expression and observe the physiological consequences. A series of experiments demonstrate the power of...  (National Science Foundation)
SimCalc uses advanced simulation technology to help elementary students learn the concepts of "mathematics of change": problems involving rates, accumulation, approximations, and limits that...  (National Science Foundation)
South Carolina Advanced Technological Education features resources for students considering engineering technology as a career: frequently asked questions, facts on engineering technology, salaries and job openings, information on...  (National Science Foundation)
Strange Matter helps students discover materials science and the secrets of everyday stuff. Find out what happens when you heat silicon, iron, or carbon. Learn how materials science helps fight...  (National Science Foundation)
Study of Place offers two online science units for middle-school students. Antarctic Exploration tells the story of Sir Ernest Shackleton's 1914 expedition to Antarctica and how, when his ship...  (National Science Foundation)
Teach the Earth offers hundreds of teaching activities, visualizations, and resources for teaching earth science. Categories include biosphere, climate change, energy/material cycles, geology and...  (National Science Foundation)
Teachers Experiencing Antarctic and the Arctic explores the lives and activities of teachers who were selected to travel to the Antarctic and the Arctic to participate in ongoing research projects...  (National Science Foundation)
Teaching Geoscience with Visualizations features collections of dozens of animations for teaching geoscience topics -- atmosphere, biosphere, climate, earth's surface, energy and material cycles, geology, human dimensions...  (National Science Foundation)
Teaching with Data Simulations helps students visualize abstract statistical concepts and see dynamic processes behind the gathering, analysis, and interpretation of statistics. Each sample activity includes...  (National Science Foundation)
Teaching with Spreadsheets Across the Curriculum provides modules that help students build spreadsheets to solve mathematical problems in the context of their courses. Topics include compound interest, chemical equilibrium...  (National Science Foundation)
Technology reports on how a car company is experimenting with nanotechnology in the quest for environmentally friendly vehicles, how a museum exhibit (created by an artist and a scientist) helps...  (National Science Foundation)
The Microbe Zoo helps teach students about microbes by looking at their habitats and the important role they play in our daily life...  (National Science Foundation)
The Physics Front provides selected resources for teachers of high school physics. Hundreds of lessons, labs, and activities can be found in four categories: conceptual physics, algebra-based physics...  (National Science Foundation)
The Secret Life of the Brain presents a history of efforts to understand the brain, a three-dimensional tour of the brain, optical illusions, and an animation showing how magnetic resonance imaging (MRI) works...  (National Science Foundation)
Tree of Life offers photos, descriptions, and other information documenting the diversity of the world's organisms. Learn about animals, arthropoda, eukaryotes, flowering plants, fungi, and...  (National Science Foundation)
U.S. Antarctic Program aims to understand the world's coldest, windiest, driest, and harshest continent -- its ecosystems and its effects on global processes such as climate. Read breaking news from a...  (National Science Foundation)
U.S. South Pole Station offers a multimedia look at research underway on earth's coldest, highest, driest, and windiest continent -- and the least hospitable to human life. Find out what makes the South Pole...  (National Science Foundation)
Videos from Secrets of Plant Genomes Revealed! is a lively, upbeat video exploration of how plants got to be the way they are and how we can make better use of them in the future. Learn how plant genome research is revolutionizing...  (National Science Foundation)
Virtual Courseware demonstrates fundamental concepts related to earthquakes and global warming. Learn how to find the epicenter of an earthquake, how to determine richter magnitude, and how rocks are...  (National Science Foundation)
Visualization Projects includes simulations of more than 40 phenomena: sea ice and CO2, climate change (230-year period), clouds and precipitation, coral reef evolution (starting 21,000 years ago), universal...  (National Science Foundation)
Visualizations on Geoscience features collections of dozens of animations for teaching geoscience topics -- atmosphere, biosphere, climate, earth's surface, energy and material cycles, geology, human dimensions...  (National Science Foundation)
Voyages Through Time is a year-long integrated science curriculum for 9th or 10th grade based on the theme of evolution. It is presented in six modules: cosmic evolution, planetary evolution, origin of...  (National Science Foundation)
Water on the Web offers water science units and tools that help students understand and solve real environmental problems using advanced technology. Learn about aquatic ecology, water quality, and...  (National Science Foundation)
Why Files Interactives feature the latest news in science, math and technology. Make rainbows, control a tornado, play with lightning, make a snowflake, and hit a home run...  (National Science Foundation)
World Year of Physics 2005 celebrates the centennial of the publication of four strange research papers -- written by a 26-year-old patent clerk -- that revolutionized how we think about light, matter, energy...  (National Science Foundation)
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