Oxytocin is released into the blood to help regulate several biological functions. It may also be connected to social abilities.
Male lactation: Fact of fiction? That's the question on today's Moment of Science.
Anyone ever call you a dirty rat? Well maybe they weren't that far off.
Gut bacteria not only help digest food, they also signal to our brain that we've eaten enough.
Over the course of human civilization, men have evolved more feminine traits.
Sugar beets are susceptible to wormy parasites that decrease crop yields.
For many women, growing older means growing a few whiskers.
Magpie personality traits differ according to their parents' hormone levels.
Is promiscuous behavior in male juncos due to testosterone levels?
Post-partum depression does not adequately account for the range of anxieties that come with early parenthood.