Archives for posts with tag: hormones

Impending fatherhood can lower two hormones–testosterone and estradiol–for men, even before their babies are born, a new University of Michigan study found. Thanks to American Biotechnologist.

The bellies of pygmy sharks glow in the dark (bioluminescence) – this makes it harder for predators to spot them from below, because they blend into the brighter light from the ocean surface.  This is controlled by two hormones, melatonin and prolactin.

Read the research in the Journal of Experimental Biology.

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