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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: Sharing the Load

Sharing the Load

By | May 1, 2013

By varying the size of their steps, dynein motor proteins work effectively as teams to carry heavy loads around the cell.

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image: Sensing Calories Without Taste

Sensing Calories Without Taste

By | April 22, 2013

Rodents and fruit flies appear to be able to sense nutrients even when they can’t taste the food they’re eating. Now, researchers are trying to figure out how.

0 Comments

image: Circumcision Alters the Penis Microbiome

Circumcision Alters the Penis Microbiome

By | April 18, 2013

Diminished bacterial diversity and abundance may help explain why circumcision is associated with reduced HIV infection.

6 Comments

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