Uncategorized
- Animals
Pregnant—and Still Macho
Some of the basic theories of sexual behavior and sexual selection are getting attention thanks to a burst of new studies in the topsy-turvy social world of the seahorse, where the males get pregnant.
- Animals
Hormone still rules no-tadpole frogs
Coqui frogs may skip the tadpole stage, but within the egg, they undergo a metamorphosis ruled by thyroid hormone.
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Brain cells work together to pay attention
Cells in the brain's cortex may coordinate their electrical activity as attention shifts from visual to tactile information.
- Earth
Hey polluters! This billboard’s for you
Motorists generally like and respond to personalized billboard messages about when an engine tune-up may be warranted.
