Study finds shape not size matters in male mice

Male mice exposed to other male competitors have thicker penis bones according to a new study by researchers at The University of Western Australia, published today in Proceedings of the Royal Society B: Biological Sciences.

Mating induces sexual inhibition in female jumping spiders

After mating for the first time, most females of an Australian jumping spider are unreceptive to courtship by other males, and this sexual inhibition is immediate and often lasts for the rest of their lives, according to ...

Feds probe Uber's tracking of Lyft drivers (Update)

The Justice Department in Manhattan is investigating whether Uber illegally used software to track drivers for Lyft, its main ride-hailing competitor, to gain an advantage in attracting and recruiting drivers, according to ...

Mutation speeds up sperm of zebra finches

In zebra finches, sperm velocity and morphology and hence reproductive success strongly depend on a specific mutation (an inversion) on one of the sex chromosomes, called Z. This was discovered by scientists of the Max Planck ...

Father's diet impacts on son's ability to reproduce, study finds

New research involving Monash University biologists has debunked the view that males just pass on genetic material and not much else to their offspring. Instead, it found a father's diet can affect their son's ability ...

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