Feature
- Anthropology
Conflict reigns over the history and origins of money
Thousands of years ago, money took different forms as a means of debt payment, archaeologists and anthropologists say.
- Science & Society
People are bad at spotting fake news. Can computer programs do better?
Fake news–finding algorithms could someday make up the front lines of online fact checking.
- Health & Medicine
The brain may clean out Alzheimer’s plaques during sleep
Sleep deprivation may speed up development of Alzheimer’s disease.
- Astronomy
The ecosystem that controls a galaxy’s future is coming into focus
An invisible cloak called the circumgalactic medium controls a galaxy’s life and death.
