A new analysis reveals that overfishing has caused populations of chondrichthyan fishes -- sharks, rays, and chimaeras -- to decline by more than 50 per cent since 1970. To determine the consequences, ...
Researchers show that polymerase theta can efficiently convert RNA sequences back into DNA, a feat more common in viruses than eukaryotic cells. Editor's Note: Thomas Jefferson University issued the ...
NPR's Up First is the news you need to start your day. The three biggest stories of the day, with reporting and analysis from NPR News — in 10 minutes. Available weekdays at 6:30 a.m. ET, with hosts ...
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