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New Clues About Human Ancestry
2013-08-02 05:16:23

redOrbit Staff & Wire Reports - Your Universe Online For the first time, scientists have been able to trace human ancestry through the male line by sequencing the DNA of multiple entire Y chromosomes - and this so-called "Adam" lived during roughly the same time period as the female most recent common ancestor (MRCA), mitochondrial "Eve," they have discovered. The MRCAs, mitochondrial Eve and Y-chromosomal Adam, are two individuals who passed down a portion of their genomes to the...

Are Humans Getting Dumber?
2012-11-20 09:51:11

Jedidiah Becker for redOrbit.com — Your Universe Online Take a glance at the arc of human civilization. As just a few notable achievements, you might start with the discovery of agriculture before moving on to survey the architectural marvels of the ancient world, the revolution of Gutenberg´s printing press and finally landing on the modern ubiquity of rapidly evolving computer technology. This view tends to give a sense that the human intellect may have a nearly limitless...


Word of the Day
drawcansir
  • A blustering, bullying fellow; a pot-valiant braggart; a bully.
This word is named for Draw-Can-Sir, a character in George Villiers' 17th century play The Rehearsal.
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