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image: Opinion: Of Mice and Men

Opinion: Of Mice and Men

By | December 3, 2013

Researchers scramble to put mouse cancer models on solid footing.

1 Comment

image: Book Excerpt from <em>The Accidental Species</em>

Book Excerpt from The Accidental Species

By | December 1, 2013

In Chapter 7, “The Way We Walk,” author Henry Gee describes the first steps taken by the ancestors of Homo sapiens.

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image: Standing Up for Sex

Standing Up for Sex

By | December 1, 2013

Humans evolved the ability to walk on two legs because it allowed them to more accurately size up prospective mates. Or did they?

8 Comments

image: Review: <em>The Origin of Species</em>

Review: The Origin of Species

By | November 22, 2013

The Howard Hughes Medical Institute this week released three short films to teach students about evolution and speciation.

4 Comments

image: Week in Review: November 18–22

Week in Review: November 18–22

By | November 22, 2013

Chilly mice develop more tumors; gut bacteria aid cancer treatment; two Y chromosome genes sufficient for assisted reproduction; HIV’s “invisibility cloak”

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image: Gut Flora Boost Cancer Therapies

Gut Flora Boost Cancer Therapies

By | November 21, 2013

Germ-free or antibiotic-treated mice fare worse than those with rich gut microbiomes during cancer treatment, two studies show.

2 Comments

image: It Takes Two

It Takes Two

By | November 21, 2013

Two genes from the Y chromosome are sufficient to generate male mice capable of fathering healthy offspring via an assisted reproductive technique.

1 Comment

image: Trouble for Darwin’s Frogs

Trouble for Darwin’s Frogs

By | November 21, 2013

Chytrid fungus has likely driven the decline of two South American frog species named for Charles Darwin.

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image: Temperature-Dependent Immunity

Temperature-Dependent Immunity

By | November 18, 2013

Scientists show that mice housed at room temperature are less able to fight tumors.

8 Comments

image: Ever Evolving <em>E. coli</em>

Ever Evolving E. coli

By | November 17, 2013

Scientists show that bacteria continue to become more fit, even over tens of thousands of generations.

20 Comments

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