lunedì 21 aprile 2014

NYT Science: For These Females No Such Thing as Penis Envy

For These Females, No Such Thing as Penis Envy
By SINDYA N. BHANOO

The females of a kind of Brazilian cave insect have male organs, the males have female genitalia, and sex lasts 40 to 70 hours, a study has found.

Published: April 22, 2014 at 4:00AM

via NYT Science http://ift.tt/1eWzaTV