Items tagged with evolution

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Darwin's Finches Tracked to Study Evolution

Tuesday, November 17th, 2009 - 11:52:00 - Ehud Rattner

A husband and wife team has spotted what could be the beginning of a new species of finch on one of the Galapagos Islands, where Charles Darwin...

Speed Limit To The Pace of Evolution

Tuesday, November 3rd, 2009 - 19:31:05 - Ehud Rattner

Researchers at the University of Pennsylvania have developed a theoretical model that informs the understanding of evolution and determines how...

The Origin Of Life: Chemistry + Biology
Monday, October 19th, 2009 - Anuradha Menon
This self-reproduction is a fundamental aspect of what we call "life". And once there was life, a new set of rules took over...

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Oldest Skeleton Disproves Missing Link

Friday, October 2nd, 2009 - 12:35:53 - Anuradha Menon

Scientists today announced the discovery of the oldest fossil skeleton of a human ancestor. The find reveals that our forebears underwent a...

Sex Chromosomes and the Evolution of Species

Monday, September 28th, 2009 - 16:07:37 - Ehud Rattner

Experiments in stickleback fish have shown for the first time that the evolution of new sex chromosomes is the driving force behind the formation of...

Mountains May Be Cradles of Evolution

Sunday, September 27th, 2009 - 16:08:41 - Ehud Rattner

Growing mountains may give rise to new species — and not simply provide a refuge to species whose traditional habitats have been lost, US scientists...

Earliest T. Rex Was Tiny

Friday, September 18th, 2009 - 09:18:53 - Anuradha Menon

If dinosaur evolution were an Austin Powers movie, T. rex would be Dr. Evil. And today scientists unveiled Mini-Me. But in this case, it was the tiny...

'Death Stench' - Universal Ancient Warning

Sunday, September 13th, 2009 - 14:02:25 - Ehud Rattner

The smell of recent death or injury that repels living relatives of insects has been identified as a truly ancient signal that functions to avoid...

The DNA Instruction Manual
Monday, September 7th, 2009 - Anuradha Menon
Code for Life: Beginning more than three and a half billion years ago, a tiny, primitive molecule encoded instructions deep...