The orgasm marks the final stage of the arousal response in men. What most men don’t know is that there are other types of male orgasms, which most guys never experience: This is one of the general ...

The male sage grouse puffs up, pops air sacs, and dances in leks to win over females in a high-stakes mating ritual.

Green turtles are olive-green above, usually variegated with brown, reddish-brown and black. They are whitish or cream below. The green turtle is named for the greenish colour of its fat, caused by ...