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PerkinElmer
PerkinElmer

The Scientist

» stress and evolution

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image: Icing Organs

Icing Organs

By | February 1, 2013

Why scientists are so near and yet so far from being able to cryopreserve organs

6 Comments

image: The Making of a Bully

The Making of a Bully

By | January 25, 2013

Adolescent rats exposed to stress grow into pathologically aggressive adults, behaviors that may be explained by accompanying epigenetic changes and altered brain activity.

5 Comments

image: Dogs Adapted to Agriculture

Dogs Adapted to Agriculture

By | January 23, 2013

As wolves became domesticated, their genes adapted to a starch-rich diet of human leftovers.

5 Comments

image: Behavior Brief

Behavior Brief

By , and | January 15, 2013

A round-up of recent discoveries in behavior research

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image: Predator-Savvy Shark Embryos

Predator-Savvy Shark Embryos

By | January 10, 2013

Bamboo sharks still developing in their egg cases respond to a predator presence by ceasing movement and even breathing.

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image: Evolutionary Biologist Dies

Evolutionary Biologist Dies

By | January 2, 2013

Carl Woese, the discoverer of the third domain of life, has passed away at age 84.

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image: Book Excerpt from The Dawn of the Deed

Book Excerpt from The Dawn of the Deed

By | January 1, 2013

In the final chapter of his book on the origins of vertebrate sex, author and paleontologist John Long pays homage to the humble placoderm, which got the erotic ball rolling.

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image: Sex and the Primordial Ooze

Sex and the Primordial Ooze

By | January 1, 2013

The rise of copulation as a vertebrate reproductive strategy may have driven crucial evolutionary change and explosive species radiation.

2 Comments

image: Steal My Sunshine

Steal My Sunshine

By | January 1, 2013

How photosynthetic organisms get taken up, passed around, and discarded throughout the eukaryotic domain

6 Comments

image: Evolution by Splicing

Evolution by Splicing

By | December 20, 2012

Comparing gene transcripts from different species reveals surprising splicing diversity.

1 Comment

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