Items tagged with evolution

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Co-operative Evolution Demonstrated Thursday, August 21st, 2008 - 20:06:33 - Ehud Rattner Bacteria can commit suicide to help their brethren establish more damaging infections — and scientists think that they can explain how this behavior... read more

Surprising Evolution of Protein Translation Saturday, August 16th, 2008 - 10:02:42 - Anuradha Menon A new study of transfer RNA, a molecule that delivers amino acids to the protein-building machinery of the cell, challenges long-held ideas about the... read more

Will Our Future Brains be Smaller? Wednesday, July 9th, 2008 - 13:58:31 - Anuradha Menon The speed at which we react to threatening situations can have life or death implications. In the more primitive past, it could have meant escaping a... read more

Closing the Gap Among Fish and Land Animals Friday, June 27th, 2008 - 20:07:54 - Anuradha Menon New exquisitely preserved fossils from Latvia cast light on a key event in our own evolutionary history, when our ancestors left the water and... read more

Solar System's Biggest Impact Scar Thursday, June 26th, 2008 - 16:03:24 - Ehud Rattner Every scar tells a story, yet a huge gash on Mars has long proven very hard to read. Now a peek beneath the planet's surface reveals that the scar is... read more

Primate's Brain Has Preserved Signature Tuesday, June 24th, 2008 - 20:28:04 - Ehud Rattner Researchers have determined that there are hundreds of biological differences between the sexes when it comes to gene expression in the cerebral... read more

Chimpanzees' Terrible Twos Thursday, June 19th, 2008 - 16:10:00 - Ehud Rattner Parents of young children in daycare quickly learn how good toddlers are at spreading disease. Now, researchers have discovered that something... read more

Can Parasites Influence Language? Tuesday, June 17th, 2008 - 12:42:36 - Ehud Rattner What do parasites and mountains have in common? They both keep populations apart and drive evolution, say researchers. In the absence of geographical... read more

Did Hyperactivity Evolve as a Survival Aid? Tuesday, June 10th, 2008 - 08:04:11 - Ehud Rattner Impulsivity and a short attention span may be the bane of every parent with a hyperactive toddler, but those same traits seem to help Kenyan nomads... read more

Tracing Humanity's Path Saturday, May 24th, 2008 - 14:43:53 - Ehud Rattner Most researchers agree that modern humans got their start in Africa and then spread throughout the world beginning about 50,000 years ago. But... read more

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