The Environmental Protection Agency has decided there's no need to rid drinking water of a toxic rocket fuel ingredient that has fouled public water supplies around the country.
New -- Climate Change Kids Site
looks at climate change -- what it is, why it matters, and what kids can do about it. Games, animations and quizzes, and a climate change calculator are provided. (Environmental Protection...
New -- Energy Star Kids
helps students see where energy comes from, how it is used, and what they can do in their own room to conserve it. (Environmental Protection Agency)
New -- EPA's SunWise Program
provides activities to teach children (K-8th grade) about the ozone layer, UV radiation, and how to be safe in the sun. Sign up to receive a free activity kit and access to other educational...
Why We Love: The Nature and Chemistry of Romantic Love
"If you want flashes and particular experiences of romantic love, read novels. If you want to understand this central quality of human nature to its roots, read Why We Love." —Edward O....
The Perfect Machine: Building the Palomar Telescope
Almost a half-century after is completion, the 200-inch Palomar telescope remains an unparalleled combination of vast scale and microscope detail. As huge as the Pantheon of Rome and as heavy...
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