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Latest Michael Hammer Stories

Human Y Chromosome Found To Be Much Older Than Previously Believed
2013-03-06 05:56:19

Researchers have discovered a Y chromosome – the hereditary factor determining male sex – that dates back to 100,000 years before the oldest known anatomically modern human fossils.

Gene Mutation Responsible For Severe Form Of Epilepsy Identified
2012-02-24 06:02:48

Researchers at the University of Arizona have identified a previously unknown mutation in a sodium channel protein in the central nervous system as the likely cause of a severe form of epilepsy.

Evolution's Past Is Modern Human's Present
2011-09-08 05:02:13

Mandenka, Biaka and San tested for DNA evidence of ancient interbreeding inside Africa.

Ancient Humans Interbred With Other Hominin Species
2011-09-06 05:10:50

A new study finds that our ancestors bred with more archaic hominin forms around 35,000 years ago, before they migrated out of Africa.


Word of the Day
ecotone
  • A transitional zone between two communities containing the characteristic species of each.
The word 'ecotone' comes 'eco-' plus a Greek root meaning 'tension'.