Researchers find that reducing mitochondrial protein production in some animals can increase lifespan by activating a protective stress response.
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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.
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.
Three-dimensional imaging of living chrysalises shows how butterflies develop.
Researchers track DNA modifications and gene expression in stem cells as they differentiate.
A molecule found only in the blood of young mice dramatically reverses thickening and stiffening of the heart muscle in old mice.
After developing underground for last 17 years, billions of cicadas will soon emerge and gather in vast, noisy swarms up and down the US east coast.
Christian de Duve chose to be euthanized at home in Belgium at age 95.
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