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

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, mitochondrial "Eve," they have discovered.

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

A professor of pathology and developmental biology at Stanford University believes there’s cause to suspect that humanity’s intellectual prowess may actually be eroding, and at an astonishing rate.