Nearly 200 species of Great Barrier Reef corals have found a second home in the deep ocean. That’s six times as many species as previously thought to be living in the dark, cold waters off northeastern Australia, researchers report December 12 in Proceedings of the Royal Society B. Perhaps more important than the number of […]

When radiochemist Jennifer Shusterman and her colleagues got the first results of their experiment, no one expected what they saw: Atoms of a weird version of the element zirconium had enthusiastically absorbed neutrons. “People were quite surprised and we had lots of discussions,” says Shusterman, of Hunter College of the City University of New York. […]

NEW ORLEANS — For couples who have suffered repeated miscarriages, it may be useful to scrutinize the man’s reproductive health as closely as the woman’s. Some miscarriages may be linked to abnormalities in semen, a study finds. Researchers analyzed semen from 49 men whose partners had lost three or more consecutive pregnancies before the 20-week […]

Dumping literal tons of hot volcanic material down a lab flume may finally have revealed how searing mixtures of hot gas and rock travel so far from volcanic eruptions. These pyroclastic flows can travel tens to hundreds of kilometers over rough terrain and even uphill (SN: 7/7/18, p. 32). Despite being made of gritty volcanic […]