'Supergene' wreaks havoc in a genome

The human genome is littered with "selfish genetic elements," which do not seem to benefit their hosts, but instead seek only to propagate themselves.

How turning down the heat makes a baby turtle male

Boy or girl? For those who want to influence their baby's sex, superstition and folk wisdom offer no shortage of advice whose effectiveness is questionable at best—from what to eat to when to make love. But some animals ...

Identity theft, the secret to a cat parasite's success

The parasite Toxoplasma is carried by a large portion of the global human population. Now a study led by researchers at Stockholm University shows how this microscopic parasite so successfully spreads in the body, for example ...

Aphrodisiac perfumes likely fake: study

Many animal species are known to give off chemical signals to attract sexual partners, but scientists still debate whether pheromones used in aphrodisiac perfumes actually play any role in human mating.

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