Anomalies in the news

What caused the two separate booms that rattled Californians in early March? Not weather, an earthquake, a meteor or an aircraft, apparently. Dittto the two booms heard in New York state.

Meanwhile, astrophysicists at Columbia and Brown are photographing the moon every 10 seconds, hoping to solve the 400-year-old mystery of those occasional bright spots on the lunar surface that are not meteor impacts. "About 1,500 of these have been reported," Arlin Crotts tells National Geographic. His theory: pockets of gas exploding, which would mean some vestiges of geologic activity.

Also meanwhile, police say that falling metal object that punched through a Dallas roof was ... a drill bit from a nearby wood chipper (huh?) ... but that's all they're willing to say publicly, other than "case closed."