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image: Growth Hormone Guidance

Growth Hormone Guidance

By Jenny Rood | March 1, 2015

Intact growth hormone signaling pathways are needed for methionine restriction to extend mouse lifespan.

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image: Long Live Collagen

Long Live Collagen

By Ashley P. Taylor | March 1, 2015

Increased collagen expression is a common feature of many different pathways to extended longevity in worms.

3 Comments

image: Of Cells and Limits

Of Cells and Limits

By Anna Azvolinsky | March 1, 2015

Leonard Hayflick has been unafraid to speak his mind, whether it is to upend a well-entrenched dogma or to challenge the federal government. At 86, he’s nowhere near retirement.

3 Comments

image: Weiwei Dang: Epigenetics in Aging

Weiwei Dang: Epigenetics in Aging

By Jef Akst | March 1, 2015

Assistant Professor, Huffington Center On Aging, Baylor College of Medicine. Age: 38

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image: Evolutionary Rewiring

Evolutionary Rewiring

By Ruth Williams | February 26, 2015

Strong selective pressure can lead to rapid and reproducible evolution in bacteria.

7 Comments

image: Stem Cells Phone Home

Stem Cells Phone Home

By Jef Akst | February 26, 2015

A screen of 9,000 small molecules identifies a treatment that improves the targeting of mesenchymal stem cells to sites of damaged tissue.

1 Comment

image: Medical Equipment May Spread Superbug

Medical Equipment May Spread Superbug

By Kerry Grens | February 20, 2015

Drug-resistant bacteria have spread in a Los Angeles hospital, perhaps from contaminated endoscopes.

1 Comment

image: The Dark Side of Melanin

The Dark Side of Melanin

By Anna Azvolinsky | February 19, 2015

Researchers uncover a previously unknown way UV light can act on melanin, spurring cancer-causing mutations hours after sun exposure.

5 Comments

image: Signs of Sleep Deprivation in the Blood

Signs of Sleep Deprivation in the Blood

By Bob Grant | February 11, 2015

Circulating fats and acids drop in people and rats that aren’t getting enough sleep.

1 Comment

image: Subway Microbiome

Subway Microbiome

By Jef Akst | February 9, 2015

Researchers document the bacterial life living among New York City’s transit stations.

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