evolutionary biology

Why are long eyelashes feminine?

Dating Science: Hot Dates Expect Free Dinner

Unsolved Mystery: Why We Have Sex

Think about all of the preening and flirting we exert in order to obtain it, not to mention the relationship factors and potential baby-making that may go along with it when it finally happens. To evolutionary biologists, it's an extremely inefficient design compared to asexual reproduction since we squander so many resources for sex, and they're only now figuring out why sex exists.

The Mystery of Women's Tears

It's evolutionary biology meets "Dancing with the Stars". Researchers at Northumbria University in England studied how heterosexual women responded to male dance moves and which they found most attractive. Based on the study, it's all about midsection motion rather than fancy footwork that sets hearts aflame on the dance floor.