Science unscripted

Boxer briefs? Tighty whities? Strings? All seem to influence sperm quality. Also, a study on miscarriages in primates shows they happen more often when raising a small (demanding) child.

A new study sheds light on how people perceive their own mental load — and what that does to the relationship.

A new cross-cultural study points at a universal truth: Women who are intelligent pay for it at the office.

Ripped. Jacked. Swole. And... limp? When does wanting bigger muscles turn toxic? And how's that linked to unhappiness in the bedroom?

Ever feel disgusted by other groups of people? That makes it more likely you're conservative. Unless you're 'interoceptive.'