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image: Rethinking Lymphatic Development

Rethinking Lymphatic Development

By | August 1, 2015

Four studies identify alternative origins for cells of the developing lymphatic system, challenging the long-standing view that they all come from veins.

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image: The Prescient Placenta

The Prescient Placenta

By | August 1, 2015

The maternal-fetal interface plays important roles in the health of both mother and baby, even after birth.

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image: Ancient Viruses as Gene Therapy Vectors

Ancient Viruses as Gene Therapy Vectors

By | July 31, 2015

Researchers deploy ancestors of today’s adeno-associated viruses to deliver gene therapies without immune system interference.


image: Behavior Brief

Behavior Brief

By | July 27, 2015

A round-up of recent discoveries in behavior research


image: Warming Climate Hurt Megafauna?

Warming Climate Hurt Megafauna?

By | July 27, 2015

The massive mammals that roamed Earth some 30,000 years ago may have gone extinct as a result of global warming, according to an ancient-DNA study.

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image: Evolution of Kin Discrimination

Evolution of Kin Discrimination

By | July 6, 2015

A bacterium’s ability to distinguish self from non-self can arise spontaneously, a study shows, reigniting questions of whether the trait can be considered an adaptation.


image: Sperm From Ovaries

Sperm From Ovaries

By | June 11, 2015

With the deletion of a single gene, female Japanese rice fish can produce sperm. 

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image: Of Dogs and Men

Of Dogs and Men

By | May 26, 2015

Clues from an ancient wolf genome are leading scientists to reconsider how long dogs have been people’s companions.


image: Dino Snouts from Chicken Beaks

Dino Snouts from Chicken Beaks

By | May 13, 2015

Researchers tweak gene expression in chicken embryos that may have been crucial to the evolutionary transition from dinosaur noses to bird bills.


image: The Rise of Heads

The Rise of Heads

By | May 11, 2015

A 500 million-year-old brain fossil yields clues to the evolution of heads.


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