The activity of one type of immune cell helps regrow the limbs of amputated salamanders.
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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.
A psychiatrist argues that the newly revised manual of mental disorders is part of a dangerous trend toward the medicalization of normal behavior.
A molecule found only in the blood of young mice dramatically reverses thickening and stiffening of the heart muscle in old mice.
Christian de Duve chose to be euthanized at home in Belgium at age 95.
As telomeres shorten with age, genes as far as 1,000 kilobases away could be affected, including one responsible for an inherited muscle disease.
Researchers use a protein-lipid complex found in human breast milk to increase the activity of otherwise-ineffective antibiotics against drug-resistant pathogens.
Hybrid viruses derived from an H5N1 bird flu strain can infect guinea pigs through the air.
By varying the size of their steps, dynein motor proteins work effectively as teams to carry heavy loads around the cell.
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