News tagged with x-ray

Image: Spitzer at 10

The infrared observatory Spitzer has been at work for 10 years, revealing the cool dusty regions where stars and planets form, as well as shedding light on planets, exoplanets, stars and galaxies. Spitzer ...

Oct 01, 2013 5 / 5 (1) 0

Breaking the code of royal purple

Royal purple, the color of robes swathing the emperors of Rome, ancient kings and high priests, and prized for its richness of hue and a brightness that wouldn't fade, has long carried its own molecular mystery.

Aug 30, 2013 3.4 / 5 (7) 0

Metal model mimics metalloenzymes

(Phys.org) —Metal ions play critical roles throughout biochemistry, often facilitating the cleavage of the bond between the two atoms in an oxygen molecule in metalloenzymes. They are the key to oxidizing ...

Aug 12, 2013 not rated yet 0 | with audio podcast