News
- Life
An ancient critter may shed light on when mammals’ middle ear evolved
Rare skeletons are helping to pin down the evolution of mammals’ three middle ear bones, known popularly as the hammer, anvil and stirrup.
- 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.
