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Puzzle Me This

By Graeme Stemp-Morlock | February 1, 2011

What substance is supposed to have no effect but can make people feel better, has no chance for a big monetary payoff but is worth billions, and is used in virtually every rigorous clinical trial but has no single, universal formulation? 

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Appealing Choice

By Erika Lorraine Milam | January 1, 2011

A book is born from pondering why sexual selection was, for so long, a minor component of evolutionary biology.

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Eau de Choice

By Richard P. Grant | 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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Synthetic Spirits

By David Nutt | January 1, 2011

Can we use science to reduce the harms of alcohol?

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Watt Fun!

By Karen Hopkin | 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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Interfering with Cancer

By Katherine Hyde and Paul Liu | January 1, 2011

MicroRNAs may drive the development of leukemia.

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The Evolution of Volvox

By N/A | 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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Brave New Drugs

By Sarah Greene | January 1, 2011

Intoxicating ideas for saving a billion lives

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From Simple To Complex

By Jef Akst | 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 Coming Health Crisis

The Coming Health Crisis

By Samuel S. Myers and Aaron Bernstein | January 1, 2011

Indirect effects of global climate change threaten the health of hundreds of millions of people. The very uncertainty that shrouds this issue must serve as an organizing principle for adaptation to its ill effects.

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