Researchers discover a microbe living at -15°C, the coldest temperature ever reported for bacterial growth, giving hope to the search for life elsewhere in the cosmos.
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The activity of one type of immune cell helps regrow the limbs of amputated salamanders.
A sequencing study suggests that some genes have evolved in parallel in humans and their canine companions, likely as a result of shared selection pressures.
Patients with major depressive disorder appear to have malfunctioning circadian rhythms, which could lead researchers to new avenues for treatment.
Symbiotic fungi on the roots of bean plants can act as an underground signaling network, transmitting early warnings of impending aphid attacks.
A molecule found only in the blood of young mice dramatically reverses thickening and stiffening of the heart muscle in old mice.
Telomeres and disease; Wolbachia-infected mosquitoes may fight malaria; bat tongue mops nectar; newly sequenced genomes
The decline of a population of Arctic foxes isolated on a small Russian island may be due to mercury pollution from their diet of seabirds and seals.
Christian de Duve chose to be euthanized at home in Belgium at age 95.
A small protein produced by fat cells appears to regulate blood sugar levels, potentially revealing a new way to treat diabetes.
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