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image: Macrophages Drive Regeneration

Macrophages Drive Regeneration

By | May 22, 2013

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

3 Comments

image: Vitamin C Slays TB Bacteria

Vitamin C Slays TB Bacteria

By | 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 | May 20, 2013

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

2 Comments

image: Blood Protein Rejuvenates Aging Heart

Blood Protein Rejuvenates Aging Heart

By | 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.

10 Comments

image: Discoverer of Lysosomes Dies

Discoverer of Lysosomes Dies

By | May 8, 2013

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

2 Comments

image: Telomeres Affect Gene Expression

Telomeres Affect Gene Expression

By | 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.

2 Comments

image: Re-sensitizing Resistant Bacteria

Re-sensitizing Resistant Bacteria

By | 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.

0 Comments

image: Easy Jump for H5N1 from Bird to Mammal

Easy Jump for H5N1 from Bird to Mammal

By | May 2, 2013

Hybrid viruses derived from an H5N1 bird flu strain can infect guinea pigs through the air.

1 Comment

image: Jamestown Settlers Practiced Cannibalism

Jamestown Settlers Practiced Cannibalism

By | May 2, 2013

Newly discovered remains provide the first hard evidence that the ill-fated colonists of the 17th century resorted to eating human flesh when their food supply ran out.

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image: Ancient Appearances

Ancient Appearances

By | May 1, 2013

A new DNA assay developed by forensic scientists helps archaeologists reconstruct eye and hair color from old teeth and bones.

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