07/02/2013

Nylons made from shrimps

Scientists are investigating how shell waste from crustaceans could be turned into polymer precursors as a substitute to petroleum-derived solutions.

Major GPS III flight software milestone completed

The Lockheed Martin team developing the U.S. Air Force's next generation Global Position System III satellites has completed a key flight software milestone validating the software's ability to provide reliable and effective ...

Pacific locked in 'La Nada' limbo

(Phys.org)—Sea-surface height data from NASA's Jason-2 satellite show that the equatorial Pacific Ocean is still locked in what some call a neutral, or 'La Nada' state. This condition follows two years of strong, cool-water ...

CT scans help answer question of how fish lungs evolved

(Phys.org)—One of the great problems of evolution is to understand how the major features of organisms have changed over great swaths of time. How did limbs evolve from fins? How did bird feathers arise from scales?

Warming 'seesaw' turns extra sunlight into global greenhouse

(Phys.org)—Earth's most recent shift to a warm climate began with intense summer sun in the Northern Hemisphere, the first pressure on a seesaw that tossed powerful forces between the planet's poles until greenhouse gases ...

The secrets of spider silk

Each time a spider draws silk from its spin­neret to create a new web, it also draws on more than 400 mil­lion years of evo­lu­tion. Spi­ders have evolved to pro­duce a library of silks, each using a dif­ferent com­bi­na­tion ...

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