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image: Epigenetics of Embryonic Stem Cells

Epigenetics of Embryonic Stem Cells

By | May 14, 2013

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

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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.


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.


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.


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.


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.

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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.


image: Sick Mold

Sick Mold

By | May 1, 2013

A virus that infects a crop-killing fungus can spread freely, opening the possibility of its use as a fungicide.


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.


image: Plant DNA Largely Unchanged

Plant DNA Largely Unchanged

By | April 15, 2013

Today’s tulip trees carry similar mitochondrial DNA as those that grew in the time of the dinosaurs.


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