SitNews: Study: Lack of water likely caused extinction of isolated mammoths in Alaska
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Source: sitnews.us
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Study points to new origin for modern horses
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.
Source: bangkokpost.com
The first Americans: How and when were the Americas populated?
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 â...
Source: earthmagazine.org