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 ...

Experts say the more we challenge our brains as we age, the more resilient it becomes—and “learning a new instrument is a full-brain workout.” After the age of 40, the average brain decreases 5 ...

Ceramides are lipid molecules that rise sharply in kidney tissue when the organs are under stress. High ceramide levels interfere with mitochondrial function inside kidney cells. Mitochondria provide ...

Congress is about to leave town for the holidays — and put off their health care troubles until January. The House and Senate will take their last votes of the year today, officially allowing ...