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In Chapter 3, “From Mating to Conception,” author Robert Martin explores the question of why humans and other primates frequently engage in sexual intercourse when females are not fertile.

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Capsule Reviews

By | July 1, 2013

Denial, Probably Approximately Correct, Permanent Present Tense, and Against Their Will

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Innovation Nation

By | July 1, 2013

Already a world leader in high-tech entrepreneurship, Israel is now flexing its biotech muscles.

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Sticking Power

By | July 1, 2013

An adhesive inspired by a parasitic worm could help better affix skin grafts in burn patients.

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image: Widening the Fertile Window

Widening the Fertile Window

By | July 1, 2013

Women may be able to store viable sperm for longer than a week, thus contributing to apparent variability in pregnancy lengths.

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Worm Bandage

By | July 1, 2013

Biomimicry yields a new type of patch that may help wounds heal faster.

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image: The Art of Science

The Art of Science

By | June 21, 2013

Princeton scientists and engineers create a stunning collection of scientific images better suited for a gallery than a lab meeting.

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image: Father of Crystallography Dies

Father of Crystallography Dies

By | June 17, 2013

Nobel Laureate Jerome Karle has passed away at age 94.

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image: Platelets Help Tackle Bacteria

Platelets Help Tackle Bacteria

By | June 16, 2013

The cell fragments play a role in the body’s first line of defense against bacterial infection, helping white blood cells grab blood-borne bacteria in the liver.

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image: Opinion: Going International

Opinion: Going International

By and | June 10, 2013

US universities need to reach across their own borders to retain global scientific preeminence.

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