Recent single origin hypothesis

DNA study finds first Americans arrived in waves

Environment

A recent DNA study questions whether North America was populated in a single wave of migrants traveling across a land bridge between Siberia and Alaska. Scientists now say Native Americans arrived here in at least three waves.

Tracing genetic genealogy on a global scale

Environment

New Evolutionary Theory Suggests Distinct Human Species Coexisted

Evidence of Early Use of Fire Found in South Africa Cave

Arts, Culture & Media

Prehistoric grandparents may be key to early human success

Arts, Culture & Media
The World

Spencer Wells

Arts, Culture & Media

Where did we come from? Evolutionary biologist Spencer Wells is pretty close to the answer. He’s the National Geographic “Explorer-in-Residence” and heads an initiative called the Genographic Project. His new book is called Pandora’s Seed. By collecting DNA samples from people around the world, he’s tracing the paths of human migration, and he’s uncovered some […]

The World

Spencer Wells

Environment

Where did we come from? Evolutionary biologist Spencer Wells is pretty close to the answer. He’s the National Geographic “Explorer-in-Residence” and heads an initiative called the Genographic Project. By collecting DNA samples from people around the world, he’s tracing the paths of human migration, and he’s uncovered some startling facts about homo sapiens’ early history: […]

The World

Prehistoric Wisdom Tooth Reveals New Branch of Human Family Tree

Arts, Culture & Media

Thanks to a broken finger bone and wisdom tooth found in a Siberian cave, scientists have discovered a new branch in the hominid family tree. Known as the Denisovans, they are cousins to Neanderthals; lived in Asia from roughly 400,000 to 50,000 years ago; and interbred with the ancestors of today’s inhabitants of New Guinea.