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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 ...

dateJul 11, 2012 in Ecology
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Parasites boost advantage in sibling war

(Phys.org) -- Parasites may increase inequality among baby birds in a brood by making it even harder for smaller, weaker chicks to compete against their bigger brothers and sisters, researchers have discovered.

dateMay 01, 2012 in Plants & Animals
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