Archive: 10/3/2006

Planets Prefer Safe Neighborhoods

A star must live in a relatively tranquil cosmic neighborhood to foster planet formation, say astronomers using NASA's Spitzer Space Telescope. A team of scientists from the University of Arizona's Steward ...

Oct 03, 2006 4.8 / 5 (16) 0

Uncovering DNA's 'sweet' secret

DNA's simple and elegant structure - the "twisted ladder," with sugar-phosphate chains making up the "rails" and oxygen- and nitrogen-containing chemical "rungs" tenuously uniting the two halves - seems to be the work of ...

Oct 03, 2006 4.4 / 5 (17) 0

Compound Eyes, Evolutionary Ties

Biologists at the University of California, San Diego have discovered that the presence of a key protein in the compound eyes of the fruit fly (which glow at center due to a fluorescent protein) allows the ...

Oct 03, 2006 3.8 / 5 (8) 0

Amazing Andromeda Galaxy

The many "personalities" of our great galactic neighbor, the Andromeda galaxy, are exposed in this new composite image from NASA's Galaxy Evolution Explorer and the Spitzer Space Telescope.

Oct 03, 2006 4.3 / 5 (28) 0

Less expensive fuel cell may be possible

Scientists at Los Alamos National Laboratory have developed a new class of hydrogen fuel-cell catalysts that exhibit promising activity and stability. The catalysts are made of low-cost nonprecious metals entrapped in something ...

Oct 03, 2006 4.3 / 5 (69) 0