Scientists find the molecule that delivers itchiness signals to the brain via a dedicated, and previously unknown, neural pathway.
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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.
Researchers find that reducing mitochondrial protein production in some animals can increase lifespan by activating a protective stress response.
The activity of one type of immune cell helps regrow the limbs of amputated salamanders.
The essential nutrient can kill drug-resistant Mycobacterium tuberculosis by producing oxidative radicals that damage DNA.
Chilly weather could impede the immune reactions that most effectively contain viruses like the common cold.
Viruses that attack bacteria may be an important component of our gut microbiota.
The Asian harlequin ladybird carries a biological weapon to wipe out competing species.
For the first time, researchers visualize zebrafish memory retrieval in real time.
Patients with major depressive disorder appear to have malfunctioning circadian rhythms, which could lead researchers to new avenues for treatment.
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