News
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- Life
Diving spiders make their own gills
Eurasian diving bell spiders, the only truly aquatic arachnids, survive underwater with the help of “physical gills,” scientists say.
- Chemistry
Water-air interface barely there
The transition between gas and liquid is an extremely insubstantial affair.
- Life
Heart has cellular regeneration ability
In mice, injecting a protein spurs the organ’s own stem cells to regrow small amounts of tissue after damage.
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- Space
Superdupernovas
A new class of stellar explosion is very bright — and somewhat hard to explain.
- Life
Genetics offers more hints about autism
Three studies illustrate why a single cause for autism spectrum disorders has been so difficult to pin down.
- Life
Weeds increasingly immune to herbicides
Agricultural scientists warn that crop yields could drop as a result of emerging resistance.
- Life
Marine microbes fritter away jelly bonus
Bacterial feasts during jellyfish blooms drain valuable carbon out of the food web.
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- Health & Medicine
Drug prevents some breast cancers
A hormone-blocking compound can waylay some malignancies in healthy women who are deemed at risk.
- Humans
Site hints at Asian roots for human genus
An early Homo species inhabited the Caucasus region 1.85 million years ago, casting doubt on its proposed African origin.
