Archive: 03/13/2008

Chemical in bug spray works by masking human odors

Fifty years have passed since the United States Department of Agriculture and the U.S. Army invented DEET to protect soldiers from disease-transmitting insects (and, in the process, made camping trips and barbecues more pleasant ...

Mar 13, 2008
4.7 / 5 (11) 0

Glimpses of a new (mathematical) world

A new mathematical object was revealed yesterday during a lecture at the American Institute of Mathematics (AIM). Two researchers from the University of Bristol exhibited the first example of a third degree transcendental ...

Mar 13, 2008
4.6 / 5 (73) 8

Some cheaters can keep it in their genes

A new study examining social behaviour suggests certain individuals are genetically programmed to cheat and often will do... providing they can get away with it.

Mar 13, 2008
4.5 / 5 (13) 0

New Window Opens on the Secret Life of Microbes

Nowhere is the principle of "strength in numbers" more apparent than in the collective power of microbes: despite their simplicity, these one-cell organisms -- which number about 5 million trillion trillion ...

Mar 13, 2008
4.8 / 5 (5) 0

21st Century grand engineering challenges unveiled

A diverse committee of experts from around the world, convened at the request of the National Science Foundation, announced 14 grand challenges for engineering in the 21st century that, if met, would improve ...

Mar 13, 2008
4.3 / 5 (6) 1