A device developed by the U.S. government can detect a human heartbeat up to 200 feet beneath rubble, but that product, deemed the “holy grail of search and rescue” was nowhere to be found on Aug. 4, when an explosion in Beirut left countless victims beneath hundreds of collapsed buildings.
Astronomers have found a potential sign of life high in the atmosphere of neighboring Venus: hints there may be bizarre microbes living in the sulfuric acid-laden clouds of the hothouse planet.