A molecule found only in the blood of young mice dramatically reverses thickening and stiffening of the heart muscle in old mice.
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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.
A new DNA assay developed by forensic scientists helps archaeologists reconstruct eye and hair color from old teeth and bones.
Research Associate, Perelman School of Medicine, University of Pennsylvania. Age: 27
Libyan scientists, soon to be trained in countries around the world, are undertaking a massive search mission to find missing loved ones among thousands of dead bodies, casualties of the country’s recent popular revolution.
By varying the size of their steps, dynein motor proteins work effectively as teams to carry heavy loads around the cell.
Sorting out T-cell functional and phenotypic heterogeneity depends on studying single cells.
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