Math & Science
Math and science are two of the underpinnings of modern society. Every day we come into contact with hundreds of things influenced by (or made possible by) our scientific knowledge.
One of the most remarkable innovations of the last century has been human flight; trips that once took weeks overland can now be completed in a few hours, free from the confines of gravity. Learn more about different aviation records, Amelia Earhart's legacy, famous aircraft, the Wright brothers, and milestones in aviation
Every year, organizations around the world recognize and reward bold innovations in different science fields. The most prestigious of all is the Nobel Prize, but there are many more awards given out to the scientists and mathematicians who help propel us into the future.
Biology, the science of life, is an incredibly broad field. Biologists of different stripes study the human body, the animals we share our world with (and animals long since past)
Chemistry is, at its most basic, the science of what stuff is made of and how it changes. Although related to physics, in that both sciences deal with matter, chemistry is most concerned with substances and how they interact with each other and with energy.
If you're browsing our site, we're sure you know a thing or two about computers and the internet. But, there's a whole lot to learn about this relatively new technology. Computers have completely reshaped our society within a single human lifetime. The way people interact and learn is radically different from what it was even fifty years ago. Dive in and learn more about the brave new world of the world wide web.
Information about air pollutants, global warming, the greenhouse effect, world and U.S. energy consumption, oil reserves, animals, plants, and endangered species
Stats and facts about personal health, nutrition, fitness, disease, mortality, health insurance, H1N1, drug and alcohol use, and more
Cloning, interactive periodic table, the chemical elements, table of geological periods, timeline of famous inventions
Mathematics, the study of numbers, is one of the great foundations of human innovation. Thousands of years ago Ancient Egyptians and Babylonians used math to calculate taxes and construct their monumental buildings—it has been indispensable to human society ever since. Today we use math to figure out everything from the lift on a jet plane to the amount of money in the global economy. Learn more about this fundamental science.
Physics is the study of matter and energy—what everything is and how it behaves. Physics can overlap with chemistry, but rather than focusing on how stuff interacts and changes, physics is concerned with the basic properties of everything. From the rate at which the universe is expanding to the mass of a subatomic particle, physics explores the building blocks of our universe (and more).
A primer on the universe, astronomical measurements, details about the solar system, and NASA
Learn about meteorology; climate; weather disasters, including hurricanes, tornadoes, and lightning; extreme temperatures and precipitation, and more
Conversion calculator, the metric system, U.S. customary system, currency converter, cooking measurement equivalents, sports measurements
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