Most Recent

image: Gene Transfer Beats Some Flu Strains

Gene Transfer Beats Some Flu Strains

By Dan Cossins | May 31, 2013

Mice and ferrets are protected from several deadly viruses when genes encoding “broadly neutralizing antibodies” are delivered into their nasal passages.


Malaria parasites transmitted via mosquitoes elicit a more effective immune response and cause less severe infection than those directly injected into red blood cells.


image: Inhibit Mitochondria to Live Longer?

Inhibit Mitochondria to Live Longer?

By Sabrina Richards | May 22, 2013

Researchers find that reducing mitochondrial protein production in some animals can increase lifespan by activating a protective stress response.


image: Macrophages Drive Regeneration

Macrophages Drive Regeneration

By Edyta Zielinska | May 22, 2013

The activity of one type of immune cell helps regrow the limbs of amputated salamanders.


image: Vitamin C Slays TB Bacteria

Vitamin C Slays TB Bacteria

By Dan Cossins | May 21, 2013

The essential nutrient can kill drug-resistant Mycobacterium tuberculosis by producing oxidative radicals that damage DNA.

1 Comment

image: Protective Phages

Protective Phages

By Edyta Zielinska | May 20, 2013

Viruses that attack bacteria may be an important component of our gut microbiota.


image: Epigenetics of Embryonic Stem Cells

Epigenetics of Embryonic Stem Cells

By Kate Yandell | May 14, 2013

Researchers track DNA modifications and gene expression in stem cells as they differentiate.

1 Comment

image: Blood Protein Rejuvenates Aging Heart

Blood Protein Rejuvenates Aging Heart

By 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.


image: Discoverer of Lysosomes Dies

Discoverer of Lysosomes Dies

By Kate Yandell | May 8, 2013

Christian de Duve chose to be euthanized at home in Belgium at age 95.


image: Telomeres Affect Gene Expression

Telomeres Affect Gene Expression

By 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.


Popular Now

  1. Could Rapamycin Help Humans Live Longer?
  2. Elena Rybak-Akimova, Chemical Kinetics Expert, Dies
  3. University of Oregon Erecting a $1-Billion Science Center
  4. <em>Homo Sapiens</em> Interbred With Denisovans From Two Different Populations