News
- Health & Medicine
A once-scrapped Alzheimer’s drug may work after all, new analyses suggest
An antibody that targets Alzheimer’s sticky protein amyloid showed promise in slowing mental decline, according to the company that’s developing it.
- Life
A single-celled protist reacts to threats in surprisingly complex ways
New research validates a century-old experiment that shows single-celled organisms are capable of complex “decision making.”
- Health & Medicine
Scientists’ brains shrank a bit after an extended stay in Antarctica
The experience of an isolated, long-term mission at an Antarctic research station slightly shrunk a part of crew members’ brains, a small study finds.
- Humans
A gene tied to facial development hints humans domesticated themselves
Scientists may have identified a gene that ties together ideas about human evolution and animal domestication.
- Space
NASA’s Parker probe reveals the sun’s rogue plasma waves and magnetic islands
Scientists have analyzed the Parker probe’s first data, giving a peek at what’s to come as the craft moves closer to the sun over the next few years.
- Animals
Devil worm genes hold clues for how some animals survive extreme heat
Devil worms have many extra copies of genes tied to heat stress and cell death, which may help the critters survive deep underground, a study finds.
- Earth
Climate-warming CO₂ emissions will hit a record high in 2019
Despite countries adopting renewable power sources and coal use falling slightly, oil and gas use are pushing global carbon dioxide emissions to record heights.
- Space
How brightly the moon glows is a mystery, but maybe not for long
The best estimates for the moon’s brightness are still somewhat unsure. A new experiment is trying to fix that.
- Health & Medicine
Medications alone work as well as surgery for some heart disease patients
Patients with stable ischemic heart disease may be able to avoid stents or bypass surgery with medications alone.
- Humans
An ancient outbreak of bubonic plague may have been exaggerated
Archaeological evidence suggests that an epidemic that occurred several centuries before the Black Death didn’t radically change European history.
- Life
A tree in Brazil’s arid northeast rains nectar from its flowers
Northeast Brazil is home to a tree that entices bat pollinators by making a “sweet rain” of nectar.
- Archaeology
Infrared images reveal hidden tattoos on Egyptian mummies
Infrared images show a range of markings on seven female mummies, raising questions about ancient Egyptian tattoo traditions.
