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image: Week in Review: October 28–November 1

Week in Review: October 28–November 1

By | November 1, 2013

Neuronal DNA variation; male hormone sparks mosquito egg production; pulvinar neurons aid primate snake detection; spiders and cryptic female choice

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image: Behavior Brief

Behavior Brief

By | November 1, 2013

A round-up of recent discoveries in behavior research

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image: Capsule Reviews

Capsule Reviews

By | November 1, 2013

Tracks and Shadows, The Gap, The Cure in the Code, and An Appetite for Wonder

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image: Dating the Origin of Us

Dating the Origin of Us

By | November 1, 2013

Theoretical anthropogeny seeks to understand how Homo sapiens rose to a position of global dominance.

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image: How, If, and Why Species Form

How, If, and Why Species Form

By , , and | November 1, 2013

Biologists have struggled for centuries to properly define what constitutes a “species.” They may have been asking the wrong question—many smaller organisms might not form species at all.

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image: The Ultimate Wingman

The Ultimate Wingman

By | November 1, 2013

Differential gene expression between dominant and subordinate male turkeys could help evolutionary biologists deconstruct the roots of sexual dimorphism.

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image: Gravity Determines Cell Size

Gravity Determines Cell Size

By | October 29, 2013

Researchers show that cells may have evolved to be small because of gravitational forces.

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image: Snakes on a Visual Plane

Snakes on a Visual Plane

By | October 28, 2013

Researchers detect neurons in the macaque brain that selectively respond to images of reptilian predators.

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image: Evolving Pain Resistance

Evolving Pain Resistance

By | October 24, 2013

Grasshopper mice harbor mutations in a pain-transmitting sodium channel that allow them to prey on highly toxic bark scorpions.

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image: Ancient Bee Die Out

Ancient Bee Die Out

By | October 24, 2013

Researchers show that one group of bees likely suffered a mass extinction about 65 million years ago.

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