News
- Space
Asteroids miss with astronomers
Close brushes with small objects like the ones that swept past Earth on Wednesday are actually fairly common.
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Dry air might boost flu transmission
Germs prefer an environment that’s cool, dry and UV-free, experiments suggest.
- Chemistry
Cockroach brains, coming to a pharmacy near you
Insect tissue extracts show antibacterial activity in lab experiments.
- Health & Medicine
Defining normal in the brain
A new growth curve paves way for scans to be used to spot early signs of autism, schizophrenia or other disorders.
- Space
Mars shows signs of recent activity
The surface of Mars had abundant liquid water as well as volcanic activity during the past 100 million years, a new study of the Martian atmosphere suggests.
