Life's First Spark Re-Created in the Laboratory
Added: Wed, 13 May 2009 23:00:00 UTC
Thanks to Shaden for the link.
A fundamental but elusive step in the early evolution of life on Earth has been replicated in a laboratory.
Researchers synthesized the basic ingredients of RNA, a molecule from which the simplest self-replicating structures are made. Until now, they couldnât explain how these ingredients might have formed.
âItâs like molecular choreography, where the molecules choreograph their own behavior,â said organic chemist John Sutherland of the University of Manchester, co-author of a study in Nature Wednesday.
RNA is now found in living cells, where it carries information between genes and protein-manufacturing cellular components. Scientists think RNA existed early in Earthâs history, providing a necessary intermediate platform between pre-biotic chemicals and DNA, its double-stranded, more-stable descendant.
RNA world easier to make - Nature
Molecule of life emerges from laboratory slime - New Scientist
HOW RNA GOT STARTED - Science News
Found: the origin of life - The Independent
Chemist Shows How RNA Can Be the Starting Point for Life - NY Times
Stephen Cave - Financial Times Comments
What we really know about our evolutionary past – and what we don’t
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WALK DARWIN’S TREE OF LIFE ~ 26 AUGUST 2012 - event begins on Saturday 25 August
Liat Clark - Wired.co.uk Comments
Astrophysicists simulate 14 billion years of cosmic evolution in high resolution
Alok Jha - The Guardian Comments
Cambridge scientists claim DNA overlap between Neanderthals and modern humans is a remnant of a common ancestor
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Why, after millions of years of evolution, do organisms build structures that seemingly serve no purpose?
Charles Choi - CBS News Comments
Four decades ago, in 1972, the Koobi Fora Research Project discovered the enigmatic fossilized skull known as KNM-ER 1470 which ignited a now long-standing debate about how many different species of early Homos existed.