Extra testosterone makes the dark-eyed junco songbird sing more sweetly, fly farther, and mate more often. They make more chicks and don’t even have to take care of them. Sounds like the good life, but then they die young.
read more | digg story
Extra testosterone makes the dark-eyed junco songbird sing more sweetly, fly farther, and mate more often. They make more chicks and don’t even have to take care of them. Sounds like the good life, but then they die young.
read more | digg story