Results 81 - 90 of 106
Nuclear Power Confronts Scarce Water
In Utah, a proposed nuclear power plant would depend on huge amounts of water from the Green River (02:54)
Gas Drilling Supports Conservation
To offset the environmental impact of their drilling in Wyoming's gas fields, energy companies are funding mitigation projects like conservation easements to protect habitat needed by wildlife (02:52)
Subsonic Boom
Researchers say they now understand the mysterious boom that can emanuate for miles from sand dunes. Avalanching sand (02:02)
Rural Sprawl
A global historical reconstruction of changes in cultivated land from 1700 to 1990 (00:34)
Biodiversity Decline
Fifty years ago, the Amazon comprised 14 percent of the Earth's surface. Now, it covers just 6 percent (28:25)
The Magnificent Shells of the Smithsonian
Home to the world's largest shell collection, the Smithsonian catalogues and studies shells both large and small, spiky and smooth (04:37)
To the Moon and Back: Apollo 11 Celebrates its 40th Anniversary
Sending a man to the moon required an overhaul of the entire space program, involving more powerful rockets and new spacecraft (04:35)
Volvox Dancing the "Minuet" and the "Waltz"
Single-celled algae colonies cross-fertilize in two different types of movement (00:35)
Albert Einstein Lives On
Through the science of robotics, researchers in California have created a lifelike bust of Albert Einstein to teach others, and themselves, about the breakthroughs made with robots (01:32)
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