20/08/2007

Rubbish heaps helped crops evolve

Rubbish heaps and backyard gardens helped early farmers domesticate crop plants, according to Oxford University scientists. Their research confirms that seeds and fruits gathered in the wild and then discarded or planted ...

Suitcase Science on the Moon

In October 1963, two cartographers with the Air Force Aeronautical Chart and Information Center saw a strange glow on the moon. Using the 24-inch refractor telescope at Lowell observatory in Flagstaff, Arizona, James Greenacre ...

In Search of Interstellar Dragon Fire

Ancient explorers set sail expecting to encounter dragons on the world's unknown oceans. NASA's twin Voyager spacecraft are searching for dragons of a different sort as they enter the boundary of our solar system – cosmic ...

Voyager Spacecraft Mark Thirty Years of Flight

NASA's two venerable Voyager spacecraft are celebrating three decades of flight as they head toward interstellar space. Their ongoing odysseys mark an unprecedented and historic accomplishment.

Coal and black liquor can produce energy from papermaking

Adding a little coal and processing the papermaking industry's black liquor waste into synthesis gas is a better choice than burning it for heat, improves the carbon footprint of coal-to-liquid processes, and can produce ...

Team discovers first ancient manioc fields in Americas

A University of Colorado at Boulder team excavating an ancient Maya village in El Salvador buried by a volcanic eruption 1,400 years ago has discovered an ancient field of manioc, the first evidence for cultivation of the ...

Tracking feline memories on the move

When a cat steps over an obstacle with its front legs, how do its hind legs know what to do? A new study in the August 21st issue of Current Biology, a publication of Cell Press, reveals that it is the foreleg stepping movement ...

page 3 from 5