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image: Short, Strong Signals

Short, Strong Signals

By | March 25, 2015

Methylation increases both the activity and instability of the signaling protein Notch.


image: Irisin Skepticism Goes Way Back

Irisin Skepticism Goes Way Back

By | March 18, 2015

Post-publication peer reviewers had questioned data about the supposed fat-browning enzyme from the get-go.

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image: “Yeti” Just a Himalayan Bear?

“Yeti” Just a Himalayan Bear?

By | March 17, 2015

Latest analysis suggests the yeti is a known bear species, not the new, hybrid species suggested by a previous study.


image: Widely Used Antibiotics Affect Mitochondria

Widely Used Antibiotics Affect Mitochondria

By | March 12, 2015

From plants to mice and human cells, tetracyclines lead to mitochondrial dysfunction in model organisms.


image: Growth Hormone Guidance

Growth Hormone Guidance

By | March 1, 2015

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


image: Long Live Collagen

Long Live Collagen

By | March 1, 2015

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


image: Weiwei Dang: Epigenetics in Aging

Weiwei Dang: Epigenetics in Aging

By | March 1, 2015

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


image: How We Age

How We Age

By | March 1, 2015

From DNA damage to cellular miscommunication, aging is a mysterious and multifarious process.

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image: Evolutionary Rewiring

Evolutionary Rewiring

By | February 26, 2015

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


image: Stem Cells Phone Home

Stem Cells Phone Home

By | 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

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