Tag Archives: human evolution

One gene helped human brains become complex

Two extra copies of the SRGAP2 gene appear to have led to slower human brain development, but denser interconnection between neurons, possibly contributing to our current cognitive abilities. (Total brain interconnectivity correlates moderately well with IQ.)  Makes one wonder about … Continue reading

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Sheer Numbers Gave Early Humans Edge Over Neanderthals

Early humans may have overwhelmed Neanderthals by dint of sheer numbers.  Of course, that begs the question of why homo sapiens had such larger numbers than our homo neanderthalensis cousins. Between 35,000 and 45,000 years ago, Neanderthals in Europe and … Continue reading

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