Dr. Weiping Yu returns with another refreshing segment of Science and U. The physicist comments on the claim that astronomers have found the oldest supermassive black hole in the universe and another, more puzzling, observation of a missing black hole. Dr. Yu once again asserts that there is no black hole at the center of the galaxy. What exactly is gravity? Is nuclear fusion the answer to climate crisis? Listen to the full segment to find out.

Visit A Neighbor's Choice website at aneighborschoice.com