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.
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 NIH has required researchers to receive instruction about responsible conduct for more than 20 years, but misconduct is still on the rise.
Should institutions invest in changing the behavior of scientists found guilty of violating research rules and ethics?
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.
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.
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