The activity of one type of immune cell helps regrow the limbs of amputated salamanders.
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Patients with major depressive disorder appear to have malfunctioning circadian rhythms, which could lead researchers to new avenues for treatment.
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
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.
Hot topics from the AACR meeting; the ongoing debate about pesticides’ effects on bees; a treasure trove of baby dinos; conservation on social media
Researchers can identify individuals by the unique chemical signatures in their breath, suggesting that exhalations could be used for metabolomic tests.
Living fossils not so fossilized; Canadian gov’t threatens scientists’ freedom to speak and publish; gene therapy for sensory disorders; an unusual theory of cancer; clues for an HIV vaccine
Microbes affect weight loss; dozens of cancer-linked genes identified; a climate change scientists speaks out about personal attacks; isolation among elderly linked to death
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