News tagged with behavioral differences

Cane toad pioneers speed up invasions

(Phys.org) —Climate change is one of a number of stressors that cause species to disperse to new locations. Scientists must be able to predict dispersal rates accurately, as the movement of a new species ...

Jul 30, 2013 report
5 / 5 (4) 1 | with audio podcast

Hormone-mimicking chemicals cause inter-species mating

Hormone-mimicking chemicals released into rivers have been found to impact the mating choices of fish, a new study has revealed. The controversial chemical BPA, which emits oestrogen-like properties, was found to alter an ...

Jul 11, 2012
3 / 5 (2) 1 | with audio podcast

Thrill-seeking females work hard for their next fix

It seems that women become addicted to cocaine more easily than men and find it harder to give up. New research published in BioMed Central's open access journal Biology of Sex Differences reinforces this position by sho ...

Mar 11, 2011
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Altruism: Genetic or Cultural Evolution?

(PhysOrg.com) -- The origins of altruism, the willingness to make personal sacrifices for the benefit of others often unknown to us, has perplexed evolutionary social scientists and biologists for years.

Oct 23, 2009
3.9 / 5 (9) 8