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Ancient DNA evidence narrows down when people first reached the Americas

المصدر: Phys.org - latest science and technology news stories · نُشر

Ancient DNA evidence narrows down when people first reached the Americas
المصدر: Phys.org - latest science and technology news stories

One of the unresolved mysteries about the history of the Americas is when the first people arrived. Despite extensive debate centering on genetic, archaeological and environmental evidence, there is still no consensus or conclusive proof. Did they enter before, during or after th

One of the unresolved mysteries about the history of the Americas is when the first people arrived. Despite extensive debate centering on genetic, archaeological and environmental evidence, there is still no consensus or conclusive proof. Did they enter before, during or after the coldest period of the last ice age, known as the Last Glacial Maximum?

Evidence from recent analysis of ancient DNA is providing fresh clues.

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Rare insect discovery reveals a new species from the dinosaur age
العلوم والبيئة

Rare insect discovery reveals a new species from the dinosaur age

Some 99 million years ago, during the age of the dinosaurs, a tiny insect belonging to a species previously unknown to science became trapped in tree resin. The resin hardened and turned into amber, and the fossil preserved within it has now enabled a team of researchers from the

Phys.org - latest science and technology news stories ·