Meteorites delivered the 'seeds' of Earth's left-hand life

[rayofreason]

Scientists presented evidence today that desert heat, a little water, and meteorite impacts may have been enough to cook up one of the first prerequisites for life: The dominance of “left-handed” amino acids, the building blocks of life on this planet.

In a report at the 235th national meeting of the American Chemical Society, Ronald Breslow, Ph.D., University Professor, Columbia University, and former ACS President, described how our amino acid signature came from outer space.

http://www.physorg.com/news126694357.html

[Teaser]

1. Good. That frees up my right hand

for more important tasks.

[trotsky]

2. Very cool. That had been a curious question for some time. n/t

[eppur_se_muova]

3. OK ... so why is the starlight circularly polarized?

Kind of begs the question. I would think there would be about equal amounts of both left- right-handed circular polarization.

PS: Stay away from the comments section at physorg. It's brought the ID people out in droves.