The science of being a horndog
A new study associates taste preferences with personality traits
Or are they just curious?
If you cheat on your spouse, you can't yet plead biochemistry in divorce court. But rodent-brain research sheds light on why some lovers stay, some stray.
A new study examines "orgasmability" to determine whether it serves a purpose or is just an evolutionary accident
Opposite-sex partners: can't live with 'em, can't evolve without 'em
Fact-checking Todd Akin
Well, probably, but how can you tell?
A new fellowship seeks to fund biology research that's been overlooked because of gender bias.
Will too many hot chili peppers kill you? Is the moon on the verge of erupting? PopSci tackles life's whys, hows and who-dunnits in this Q&A-style; feature
Animal behavior: Male G. cancriformis spiders prefer to mate with virgins.
Researchers test sexual adaptations in time-traveling brine shrimp
Epigenetic molecules that regulate genes may influence homosexuality.
Humans aren't the only ones who like companionship.
People who live in glass houses shouldn't throw stones. But the tactic works for female capuchin monkeys who want a male's attention.
What do whales sing about?
Guess which president was the most psychopathic, er, fearless, of all?
It's not that meanies are more physically attractive than everyone else. They're just very good at fooling us.
Not very considerate, male peacocks!
When different species of worms mate, it doesn't end well.