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image: Of Cells and Limits

Of Cells and Limits

By | 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.

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image: Reading Between the Pages

Reading Between the Pages

By | March 1, 2015

Researchers at Trinity College Dublin and the University of York excavate the genetic secrets contained in the DNA of old parchments.

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image: Rethinking Telomeres

Rethinking Telomeres

By | March 1, 2015

Not only do telomeres protect the ends of chromosomes, they also modulate gene expression over cells’ lifetimes.

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image: Slip Me Some Skin

Slip Me Some Skin

By | March 1, 2015

Scientists tracing the history of livestock breeding probe parchment documents for genetic information.

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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

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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: Wrangling Retrotransposons

Wrangling Retrotransposons

By , , and | March 1, 2015

These mobile genetic elements can wreak havoc on the genome. Researchers are now trying to understand how such activity contributes to the aging 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.

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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.

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image: Stemming Genetic Changes in Cultured Cells

Stemming Genetic Changes in Cultured Cells

By | February 25, 2015

Researchers report an association between culture conditions and genetic changes in stem cells over time.

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