News
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Health & MedicineBody makes its own morphine
A study in mice suggests other mammals, including humans, can produce the painkiller in their bodies.
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AnimalsChimps may be aware of others’ deaths
Reactions of chimps to dead companions and infants suggest a basic realization of what death entails.
By Bruce Bower -
LifeParadox of dining in deep, wet mud
A bonanza of food doesn’t necessarily result in biodiversity among deep sediment dwellers off California’s coast.
By Susan Milius -
SpaceLife in the sticky lane
Tropical asphalt lake could be analog for extraterrestrial microbial habitat.
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AstronomyHubble’s new instant classic
NASA has released a stunning image of a nearby star-forming region to celebrate the telescope's 20th birthday.