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image: Eau de Choice

Eau de Choice

By | January 1, 2011

Evolutionary biologist Jane Hurst at the University of Liverpool has found that male mice have evolved a cunning trick to distinguish themselves within the dating pool: they produce a specific protein that drives female attraction to male scent, and this molecule, called darcin, helps females remember a specific male's odor.

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Mail

By | January 1, 2011

A selection of comments from our readers

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image: Watt Fun!

Watt Fun!

By | January 1, 2011

Her doctoral advisor told her to amuse herself, and Fiona Watt has done just that—probing individual stem cells and determining the genes and molecules that direct them to differentiate or cause them to contribute to cancer.

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image: The Evolution of Volvox

The Evolution of Volvox

By | January 1, 2011

The volvocine algae are a model system for studying the evolution of multicellularity, as the group contains extant species ranging from the unicellular Chlamydomonas to a variety of colonial species and the full-fledged multicellular Volvox varieties.

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From Simple To Complex

By | January 1, 2011

The switch from single-celled organisms to ones made up of many cells has evolved independently more than two dozen times. What can this transition teach us about the origin of complex organisms such as animals and plants?

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image: The Profits of Nonprofit

The Profits of Nonprofit

By | January 1, 2011

The surprising results when drug development and altruism collide

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image: Book Excerpt from <em>Looking for a Few Good Males</em>

Book Excerpt from Looking for a Few Good Males

By | January 1, 2011

In Chapter 2, "Progressive Desire," author Erika Lorraine Milam explores sexual selection’s incursion into evolutionary theory.

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image: Capsule Reviews

Capsule Reviews

By | January 1, 2011

How to Catch a Robot Rat, On Fact and Fraud, Not a Chimp, Here Is a Human Being

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War zone

By | May 21, 2010

An invasive ant defies the rules of social evolution by conquering California with battles between enormous colonies that act like separate species.

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