Here’s where jazz gets its swing

It don’t mean a thing if it ain’t got that swing — all you’ve got to do is stagger your timing. For decades, fans of jazz music have debated why…

Tina Lasisi wants to untangle the evolution of human hair

Though humans’ nearly hairless bodies stick out like a cowlick among other primates, our nakedness isn’t unique in the world of mammals. Dolphins and whales are naked, says biological anthropologist…

In Maya society, cacao use was for everyone, not just royals

In ancient Maya civilization, cacao wasn’t just for the elites. Traces of the sacred plant show up in ceramics from all types of neighborhoods and dwellings in and around a…

Fossil finds put gibbons in Asia as early as 8 million years ago

Small-bodied, long-armed apes called gibbons swing rapidly through the trees, far outpacing scientists’ attempts to decipher these creatures’ evolutionary story. Now, a partial upper jaw and seven isolated teeth found…

Humans may have started tending animals almost 13,000 years ago

Hunter-gatherer groups living in southwest Asia may have started keeping and caring for animals nearly 13,000 years ago — roughly 2,000 years earlier than previously thought. Ancient plant samples extracted…

The oldest known surgical amputation occurred 31,000 years ago

A child who lived on the Indonesian island of Borneo around 31,000 years ago underwent the oldest known surgical operation, an amputation of the lower left leg, researchers say. One…

How mythology could help demystify dog domestication

In Tom Edison’s Shaggy Dog, a short story by Kurt Vonnegut, Thomas Edison discovers that dogs are intellectually superior beings. They’re so smart, in fact, that the canines found the…

7-million-year-old limb fossils may be from the earliest known hominid

In 2001, researchers unearthed a partial fossil leg bone and two forearm bones in the central African nation of Chad. Those fossils come from the earliest known hominid, which lived…

‘The Five-Million-Year Odyssey’ reveals how migration shaped humankind

The Five-Million-Year OdysseyPeter BellwoodPrinceton Univ., $29.95 Archaeologist Peter Bellwood’s academic odyssey wended from England to teaching posts halfway around the world, first in New Zealand and then in Australia. For…

Famine and disease may have driven ancient Europeans’ lactose tolerance

Ancient Europeans may have evolved an ability to digest milk thanks to periodic famines and disease outbreaks. Europeans avidly tapped into milk drinking starting around 9,000 years ago, when dairying…