While shooting the movie Troy, Brad Pitt playing Achilles tore his left Achilles tendon, which delayed the movie’s final scenes for months.

The duck billed platypus hunts with neither sight nor smell, closing its eyes, ears, and nose each time it dives. Rather, when it digs in the bottom of streams with its bill, its electroreceptors detect tiny electrical currents generated by muscular contractions of its prey, so enabling it to distinguish between animate and inanimate objects, which continuously stimulate its mechanoreceptors.