cell & molecular biology, culture
Macrophages Drive Regeneration
Macrophages Drive Regeneration
Edyta Zielinska | May 22, 2013
The activity of one type of immune cell helps regrow the limbs of amputated salamanders.
Vitamin C Slays TB Bacteria
Vitamin C Slays TB Bacteria
Dan Cossins | May 21, 2013
The essential nutrient can kill drug-resistant Mycobacterium tuberculosis by producing oxidative radicals that damage DNA.
Protective Phages
Protective Phages
Edyta Zielinska | May 20, 2013
Viruses that attack bacteria may be an important component of our gut microbiota.
Opinion: Remediating Misconduct
Opinion: Remediating Misconduct
James DuBois | May 14, 2013
Should institutions invest in changing the behavior of scientists found guilty of violating research rules and ethics?
Opinion: Ethics Training in Science
Opinion: Ethics Training in Science
James Hicks | May 14, 2013
The NIH has required researchers to receive instruction about responsible conduct for more than 20 years, but misconduct is still on the rise.
Blood Protein Rejuvenates Aging Heart
Blood Protein Rejuvenates Aging Heart
Dan Cossins | May 10, 2013
A molecule found only in the blood of young mice dramatically reverses thickening and stiffening of the heart muscle in old mice.
Discoverer of Lysosomes Dies
Discoverer of Lysosomes Dies
Kate Yandell | May 8, 2013
Christian de Duve chose to be euthanized at home in Belgium at age 95.
Telomeres Affect Gene Expression
Telomeres Affect Gene Expression
Ed Yong | May 5, 2013
As telomeres shorten with age, genes as far as 1,000 kilobases away could be affected, including one responsible for an inherited muscle disease.
Re-sensitizing Resistant Bacteria
Re-sensitizing Resistant Bacteria
Dan Cossins | May 2, 2013
Researchers use a protein-lipid complex found in human breast milk to increase the activity of otherwise-ineffective antibiotics against drug-resistant pathogens.
Easy Jump for H5N1 from Bird to Mammal
Easy Jump for H5N1 from Bird to Mammal
Ruth Williams | May 2, 2013
Hybrid viruses derived from an H5N1 bird flu strain can infect guinea pigs through the air.