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image: Review: “Green Porno”

Review: “Green Porno”

By | January 29, 2014

Isabella Rossellini explores nature’s kinky side in a one-woman show.

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image: Fewer Female Snail Penises

Fewer Female Snail Penises

By | January 14, 2014

Researchers are now spotting fewer cases of imposex—in which female sea snails develop male sexual organs—as a result of a chemical ban instituted in 2008.

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image: Gifts During Sex Matter After

Gifts During Sex Matter After

By | October 28, 2013

Female spiders prefer sperm from males with gifts, a study shows.

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image: Bacterial Gene Transfer Gets Sexier

Bacterial Gene Transfer Gets Sexier

By | July 9, 2013

Mycobacterium smegmatis can donate larger portions of its genome to other bacteria than previously thought, approaching the level of gene shuffling seen in sexual reproduction.

1 Comment

image: Penises: The Bigger the Better?

Penises: The Bigger the Better?

By | April 9, 2013

Female preference may have driven the evolution of human males’ relatively large genitalia.

13 Comments

image: The Detachable Penis

The Detachable Penis

By | February 14, 2013

A species of sea slug discards its penis after mating, then grows another the next day, a tactic that may have evolved to avoid passing on the sperm of competitors.  

4 Comments

image: Sex and the Primordial Ooze

Sex and the Primordial Ooze

By | January 1, 2013

The rise of copulation as a vertebrate reproductive strategy may have driven crucial evolutionary change and explosive species radiation.

2 Comments

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