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image: Arrested Development Makes for Long-Lived Worms

Arrested Development Makes for Long-Lived Worms

By Jyoti Madhusoodanan | June 23, 2014

Starvation suspends cellular activity in C. elegans larvae and extends their lifespan. 

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image: Autism-Hormone Link Found

Autism-Hormone Link Found

By Bob Grant | June 4, 2014

A study documents boys with autism who were exposed to elevated levels of testosterone, cortisol, and other hormones in utero.

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image: The Telltale Tail

The Telltale Tail

By Rina Shaikh-Lesko | May 1, 2014

A symbiotic relationship between squid and bacteria provides an alternative explanation for bacterial sheathed flagella.

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image: Rats Receive Lab-Grown Esophagi

Rats Receive Lab-Grown Esophagi

By Tracy Vence | April 16, 2014

Researchers successfully transplant engineered esophagi into living rats.

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image: Women Receive Lab-Grown Vaginas

Women Receive Lab-Grown Vaginas

By Jef Akst | April 14, 2014

Doctors implant custom-made organs, built from a tissue sample and a biodegradable scaffold, into four female patients born with underdeveloped or missing vaginas.

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image: Mapping Gene Expression in the Fetal Brain

Mapping Gene Expression in the Fetal Brain

By Kate Yandell | April 2, 2014

Researchers complete an atlas depicting gene expression across the developing human brain.

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image: Birth Defects Marked End of Mammoths

Birth Defects Marked End of Mammoths

By Bob Grant | March 26, 2014

New research suggests that the wooly beasts may have succumbed to a shrinking gene pool or intense environmental pressures as their species went extinct.

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image: <em>BRCA1</em> Linked to Brain Size

BRCA1 Linked to Brain Size

By Rina Shaikh-Lesko | March 20, 2014

The breast cancer-associated gene may play a protective role in neural stem cells, a mouse study finds.

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image: A Twist of Fate

A Twist of Fate

By Jonathan Slack | March 1, 2014

Once believed to be irrevocably differentiated, mature cells are now proving to be flexible, able to switch identities with relatively simple manipulation.

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image: Neural Target for Autism?

Neural Target for Autism?

By Jef Akst | February 7, 2014

Mouse and rat models of the developmental disorder responded positively to a drug given to their mothers a day before birth.

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