News tagged with males

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Why guppies have genital claws

New research from evolutionary biologists at the University of Toronto shows that the male guppy grows claws on its genitals to make it more difficult for unreceptive females to get away during mating.

Aug 02, 2013
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Predicting long-term success in college

(Phys.org) —Long-term success in college may be better predicted with Advanced Placement (AP) exams and personality traits in combination with standard admission practices, according to new research from the Georgia Institute ...

Jul 16, 2013
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