The researchers discounted two theories commonly put forward to explain protruding brow ridges: that they were needed to fill the space where the flat brain cases and eye sockets of archaic hominins met, and that the ridge acted to stabilise their skulls from the force of chewing. (sciencedaily.com)
Clip 2: Stringer and Tishkoff on the value of genomic analyses of additional archaic hominin species. (sciencemag.org)
Wu counters that the genetic contribution from archaic hominins in China could have been missed because no DNA has yet been recovered from them. (showcase.casw.org)