ScienceStudy Of Ancient DNA Sheds Light On The Earliest Human Residents Of The Americas Researchers found the same distinctive DNA type of North America's Clovis culture in excavation sites in Central and South America. This offered a strong evidence that the early humans migrated south thousands of years ago.by Diane Samson
ScienceHarvard Scientists Say Mysterious Cigar-Shaped Object 'Oumuamua May Have Been Alien Spacecraftby Diane Samson
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