It was like a Ph.D. student Dionna Williams realized fundamental flaws in the way medical science treats people who have HIV and also use illegal drugs or misuse prescription drugs. People in this group often have worse outcomes than people with HIV who do not use these drugs. Drug use and addiction have been linked […]

Extreme Climate Survey Scientific news is collecting questions from readers about how to navigate our planet’s changing climate. What do you want to know about extreme heat and how it can lead to extreme weather events? “I remember standing there just looking at it,” says Zeng, a climate scientist at the University of Maryland. He […]

Extreme Climate Survey Scientific news is collecting questions from readers about how to navigate our planet’s changing climate. What do you want to know about extreme heat and how it can lead to extreme weather events? In just 60 hours, the NHC predicted that PTC9 would intensify at a record pace, going from winds of […]

An asteroid heading toward Earth can be deflected without ever touching a spacecraft. The trick is to use X-rays to deflect the space rock, researchers report Sept. 23 Nature Physics. In laboratory experiments, scientists heated the surfaces of free-falling artificial asteroids with X-ray radiation, producing steam plumes that blew the objects away. Later computer simulations […]

A red dwarf star known as Barnard’s Star, located just six light-years from our solar system, has at least one — and possibly a handful — of small rocky planets orbiting it, a new study suggests. . Barnard’s Star, which is about one-sixth the mass of our sun, is the closest individual star to our […]

Some tadpoles do not poop in the first weeks of their lives. At least, this is the case for Eiffinger’s tree frogs (Kurixalus eiffingeri), scientists report on September 22 at Ecology. Eiffinger tree frogs are small frogs that live in Taiwan and two Japanese islands: Ishigaki and Iriomote. Tree-dwelling amphibians lay their eggs in small […]