NASA - National Aeronautics and Space Administration

Students used art and their imaginations to illustrate some of NASA's contributions and potential contributions as part of an annual NASA Langley art contest.

"When I started my PhD at the University of California, San Diego, I was told that it would be difficult to make a new discovery in biology because it was all known," Craig Venter said. "It all seems ...

The key is not so much getting the carbon dioxide out of the atmosphere; the key is limiting the carbon dioxide that goes into the air.