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image: Barley Key to Mankind’s Alpine Incursion

Barley Key to Mankind’s Alpine Incursion

By | November 24, 2014

The cold-tolerant cereal crop allowed humans to live and farm higher than ever starting more than 3,000 years ago.


image: When Males Kill Young

When Males Kill Young

By | November 13, 2014

Many social factors contributed to the evolution of male infanticide in mammal societies.


image: Butterfly Eyespots Deflect Predation

Butterfly Eyespots Deflect Predation

By | November 12, 2014

Researchers show that patterned coloration can be an effective means of distracting predators from vital body parts.

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image: Chronic Weed Use Shrinks Brain Region

Chronic Weed Use Shrinks Brain Region

By | November 12, 2014

Long-term marijuana smokers have less gray matter in their orbitofrontal cortex than nonsmokers, but other brain circuits may compensate by increasing connectivity.


image: Behavior Brief

Behavior Brief

By | November 11, 2014

A round-up of recent discoveries in behavior research

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image: Genetic Data Clarify Insect Evolution

Genetic Data Clarify Insect Evolution

By | November 6, 2014

Researchers create a phylogenetic tree of insects by comparing the sequences of 1,478 protein-coding genes among species.


image: A Tale of Two Genitals

A Tale of Two Genitals

By | November 5, 2014

The genitalia of mammals and reptiles develop from two different tissues, but the structures share common genetic programs and molecular induction signals.


image: Book Excerpt from <em>The Walking Whales</em>

Book Excerpt from The Walking Whales

By | November 1, 2014

In Chapter 1, “Fossils and War,” author J.G.M. “Hans” Thewissen describes the difficulties of conducting field research in a conflict zone.


image: Capsule Reviews

Capsule Reviews

By | November 1, 2014

Leonardo's Brain, The Future of the Brain, Dodging Extinction, and Arrival of the Fittest


image: Contributors


By | November 1, 2014

Meet some of the people featured in the November 2014 issue of The Scientist.

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