DNA from this 3,000-year-old brick tells the story of a king—and cabbages nationalgeographic.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nationalgeographic.com Daily Mail and Mail on Sunday newspapers.
NEW YORK: For thousands of years, the grassy plains of Europe and Asia were home to a mosaic of genetically distinct horse lineages. But a single lineage galloped ahead to overtake and replace all the other wild horses. This domesticated lineage became the horse of our modern imagination: slender legs, a muscular back and a mane that shimmers in the wind.
The first Americans: How and when were the Americas populated?
by Mary Caperton Morton Thursday, December 15, 2016
Archaeologists used to have a tidy story to explain the earliest peopling of the Americas: During the last ice age, when sea levels were much lower, a band of intrepid travelers walked from East Asia, over the Bering land bridge, and into Alaska. From there, they followed an ice-free corridor east of the Canadian Rockies south onto the megafauna-rich plains, eventually spreading throughout North and South America by 11,000 years ago and leaving a trail of finely shaped “Clovis” spear points in their wake.
But the story is not so simple. The once-dominant “Clovis First” Hypothesis has been overturned in recent years by discoveries of an array of pre-Clovis tools and campsites throughout North and South America that date to as early as 16,000 years ago. But how is it that people colonized the Americas so much earlier than once thought? From where did t