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» paleontology and developmental biology

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image: Prehistoric Pollen

Prehistoric Pollen

By | October 2, 2013

Scientists discover fossilized remnants of a flowering plant about 100 million years older than the oldest previously found.

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image: Bacterial Quid Pro Quo

Bacterial Quid Pro Quo

By | August 19, 2013

Pseudomonas aeruginosa gather swarming speed at the expense of their ability to form biofilms in an experimental evolution setup.

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image: Stem Cells Open Up Options

Stem Cells Open Up Options

By | August 13, 2013

Pluripotent cells can help regenerate tissues and maintain long life—and they may also help animals jumpstart drastically new lifestyles.

17 Comments

image: Fossils Snarl Mammalian Roots

Fossils Snarl Mammalian Roots

By | August 7, 2013

Two newly discovered Jurassic-era fossils suggest drastically different mammalian origins.

2 Comments

image: A Big-Nosed Horn-Faced Dino

A Big-Nosed Horn-Faced Dino

By | July 18, 2013

The discovery of a new species of horned dinosaur supports the idea that similar but separate species evolved on the same landmass thanks to a natural barrier.  

1 Comment

image: Week in Review, June 17–21

Week in Review, June 17–21

By | June 21, 2013

On the gene patent decision; a high-res human brain model; bats’ influence on moths mating calls; toxicants threaten brain health; platelet-driven immunity

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image: Nailing Regeneration

Nailing Regeneration

By | June 12, 2013

Researchers identify the signaling program that enables finger and toenail stem cells to direct digit regeneration after amputation.

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image: Why Many Birds Don’t Have Penises

Why Many Birds Don’t Have Penises

By | June 7, 2013

In avian species, a gene induces programmed cell death during development in the area where a phallus would otherwise grow.

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image: Mammoth Blood Gives Hope for Cloning?

Mammoth Blood Gives Hope for Cloning?

By | June 3, 2013

Some question the supposition that viable cells and DNA will be found in a remarkably preserved carcass, purported to harbor fresh muscle tissue and flowing blood.

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image: Loss of Potential

Loss of Potential

By | June 1, 2013

In the fruit fly, the ability of neural stem cells to make the full repertoire of neurons is regulated by the movement of key genes to the nuclear periphery.

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