Biologist discovers new stingray genus

A biologist from the University of Toronto Scarborough (UTSC) has discovered a new kind of tropical freshwater stingray.

Solving an old mystery with wasps

Swiss researchers at ETH Zurich and the University of Zurich have discovered that a single gene in a particular aphid wasp decides whether the insects reproduce sexually or asexually. This is not only of interest for pest ...

Polygamy hurt 19th century Mormon wives' evolutionary fitness

Polygamy practiced by some 19th century Mormon men had the curious effect of suppressing the overall offspring numbers of Mormon women in plural marriages, say scientists from Indiana University Bloomington and three other ...

Strange ways of wooing

Birds do it, fish do it, even sexually ambiguous flatworms do it: all these creatures use complex strategies to win at the mating game.

Fleshing out the life histories of dead whales

Dead whales that sink down to the seafloor provide a feast for deep-sea animals that can last for years. Previous research suggested that such "whale falls" were homes for unique animals that lived nowhere else. However, ...

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