DNA shines a light back into the past, showing us things that fossils can't. But how far back can that light extend? Some of the oldest DNA sequences come from mastodon and polar bear fossils about 50 ...
WASHINGTON, July 9 (Reuters) - Scientists in recent years have made progress in finding ancient DNA in fossils, gaining insight into organisms that lived long ago. But the oldest DNA obtained so far ...
Scientists dug into paleofeces for a new study, learning some very intimate details about how long-ago people lived.
The human genome is made up of 23 pairs of chromosomes, the biological blueprints that make humans … well, human. But it turns out that some of our DNA — about 8% — are the remnants of ancient viruses ...
DNA within dried feces dating from more than 1,000 years ago provides valuable insights into the pathogens that plagued ...
Researchers at a Harvard Medical School laboratory are uncertain how they will continue supporting a large public genetic database after its primary source of funding expired last month.
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