How We Won the Hominid Wars, and All the Others Died Out
The unique adaptability of Homo sapiens is what allowed us to survive when so many other species died out, paleoanthropologist Rick Potts contends.
by Jill Neimark ; photograph by Stephen Voss
Why Did Earth Have a Poison-Filled "Boring Billion" Years?
Andrew Kroll argues that during this apparently stagnant time, monumental changes were afoot, setting the stage for the geyser of evolutionary change that followed, and the complex world we see today.
