Research led by geneticist Sarah Tishkoff’s lab finds that prehistoric mating preferences is a likely explanation for why modern humans have so little Neanderthal DNA on their X chromosomes, challenging the idea that human evolution was driven solely by survival of the fittest.
Non-Surgical Knee Injections as an Alternative to Surgery
Mixed reactions (of the movie “Mr. Smith goes to Washington” when released in 1939) from senator: While many attendees enjoyed the movie’s humor and its faithful setting, some were visibly displeased. Majority Leader Alben Barkley (D-Ky.) was the most outspoken critic, calling it “silly and stupid” and accusing it of making the Senate look like “a bunch of crooks”
