By SDTodayA large genetic study shows that many people carry DNA sequences that slowly expand as they get older. Common genetic variants can dramatically alter how fast this expansion happens, sometimes multiplying the pace by four. Researchers also identified specific DNA expansions linked to severe kidney and liver disease. The findings suggest that age-related DNA instability is far more common than previously realized.
We now have a clearer picture of what happened in the decades following the asteroid impact that led…
BySDTodayThe geographic poles can shift at surprisingly high rates Planet Observer/Universal Images Group via Getty Images The Earth’s…
BySDTodayExpedition member Chris Blakeley in the entrance to the world’s northernmost known cave, found on the Wulff Land…
BySDTodayThe Chicxulub asteroid brought the age of the dinosaurs to an end ROGER HARRIS/SCIENCE PHOTO LIBRARY The asteroid…
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