RefBan

Referral Banners

Saturday, March 10, 2012

ScienceDaily: Top Science News

ScienceDaily: Top Science News


Meteorites reveal another way to make life's components

Posted: 09 Mar 2012 07:48 AM PST

Creating some of life's building blocks in space may be a bit like making a sandwich -- you can make them cold or hot, according to new NASA research. This evidence that there is more than one way to make crucial components of life increases the likelihood that life emerged elsewhere in the Universe, according to the research team, and gives support to the theory that a "kit" of ready-made parts created in space and delivered to Earth by impacts from meteorites and comets assisted the origin of life.

Mid-Atlantic suburbs in U.S. can expect an early spring thanks to the heat of the big city

Posted: 09 Mar 2012 07:48 AM PST

If you've been thinking our world is more green than frozen these days, you're right. A recent study has found that spring is in arriving earlier -- and autumn later -- in the suburbs of Baltimore and Washington, DC. The reason? The urban landscape traps heat in the summer and holds it throughout the winter, triggering leaves to turn green earlier in the spring and to stay green later into autumn. The result is an extended growing season.

Orientation of ants: Every cue counts

Posted: 09 Mar 2012 07:41 AM PST

Foraging desert ants always find their way back to the nest, even when it is only marked by a magnetic cue, vibration, or carbon dioxide.

No comments: