The chief science officer of A Neighbor's Choice is back with Science and U. Dr. Weiping Yu comments on the news that a research team may have created the world's first time crystal; the claim that the moon lacked a magnetic field for much of its history; the claim that scientists have spotted light behind a black hole; and more. What is actually in the black hole area?

Visit A Neighbor's Choice website at aneighborschoice.com