News
- Space
The International Space Station lacks microbial diversity. Is it too clean?
Hundreds of surface swabs reveal the station lacks microbial diversity, an imbalance that has been linked to health issues in other settings.
- Science & Society
Married men are doing more cleaning and laundry than in the past
Some scholars argue that efforts to equalize the time men and women spend on housework has stalled. An analysis reveals slow progress.
- Archaeology
Humans moved into African rainforests at least 150,000 years ago
This oldest known evidence of people living in tropical forests supports an idea that human evolution occurred across Africa.
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