Why Are So Few People Left-Handed?

Today marks the 22nd annual International Left-Handers Day. To celebrate, let's look at why only around one in ten people is left-handed. Why, pray tell, are lefties are so rare – or, said another way, why are most of us righties? It seems like a simple question, but it's actually one of the biggest mysteries in all… » 8/13/14 12:20pm 8/13/14 12:20pm

7 Signs That Humans Are Domestic Animals

Tens of thousands of years ago, humans were wild animals. Our ancestors roamed the land in search of food by day, and huddled together for safety by night. But then something changed. We domesticated ourselves, and this process didn't just change us profoundly — it changed a lot of other life forms around us, too. » 6/05/14 10:00am 6/05/14 10:00am

Beringia, the Lost Territory Where Americans Evolved

During the last ice age, an enormous stretch of fertile grassland connected Eurasia and the Americas. Known today as Beringia, this lost landscape was home to a small but important population of humans. Now, the discovery of one skull in an underwater cave tells an intriguing story about what happened to the… » 5/16/14 2:56pm 5/16/14 2:56pm

Why Does It Matter If Homo sapiens Had Sex With Neanderthals?

Evidence has been piling up for a while that early humans in Europe had children with the Neanderthals who had been living there for probably 500 thousand years before humans arrived. Very few Neanderthal genes are left in humans today, so what difference does it make? A lot, both genetically and philosophically. » 4/02/14 8:48pm 4/02/14 8:48pm

The mystery of the human intelligence explosion

Over the past 200,000 years since Homo sapiens evolved, something extraordinary happened. Somehow, we went from being clever monkeys with stone tools, to being insanely brilliant masterminds who use complex language, and control the planet with agriculture and technology. How did we start the intelligence explosion… » 12/05/13 3:42pm 12/05/13 3:42pm

8 Incredible Facts You May Not Know About Human Evolution

Homo sapiens evolved about 200-150,000 years ago in Africa, but our story as a species stretches back much further than that with early human ancestors. And the evolution of Homo sapiens is itself a tangled tale, full of unanswered questions and gothic family melodrama. Here are a few facts you may not know about the… » 11/15/13 10:52am 11/15/13 10:52am

How throwing evolved into humanity's greatest weapon

Most human athletic abilities have some equivalent in the animal kingdom. For example, the fastest humans can reach top speeds that aren’t even half those of cheetahs, antelopes, and countless other animals, and that’s hardly the only area where animals can crush our greatest athletes. But there’s one major exception:… » 6/30/13 1:00pm 6/30/13 1:00pm