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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.

10 Comments

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.

2 Comments

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.

2 Comments

image: Week in Review: April 29 – May 2

Week in Review: April 29 – May 2

By Jef Akst | May 3, 2013

The brain’s role in aging; tracking disease; understanding the new flu virus; no autism-Lyme link; one drug’s journey from bench to bedside

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image: Re-sensitizing Resistant Bacteria

Re-sensitizing Resistant Bacteria

By 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.

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image: Easy Jump for H5N1 from Bird to Mammal

Easy Jump for H5N1 from Bird to Mammal

By Ruth Williams | 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 Dan Cossins | 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: Characterizing H7N9

Characterizing H7N9

By Kate Yandell | April 26, 2013

What scientists are learning about the zoonotic flu virus that has infected more than 100 people in China since February

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image: Sensing Calories Without Taste

Sensing Calories Without Taste

By Francie Diep | 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.

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image: Cancer Growth Curtailed

Cancer Growth Curtailed

By Ruth Williams | April 4, 2013

Researchers develop two small molecules that slow the growth of human cancer cells.

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