Researchers track DNA modifications and gene expression in stem cells as they differentiate.
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.
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.
Scientists create biocompatible, self-luminescing nanoparticles for in vivo imaging.
One, two, three, four . . . . Counting colonies and plaques can be tedious, but tools exist to streamline the process.
Research Associate, Perelman School of Medicine, University of Pennsylvania. Age: 27
By varying the size of their steps, dynein motor proteins work effectively as teams to carry heavy loads around the cell.