Did you hear about the cannibal who was late for dinner? He got the cold shoulder.

Some humans might find cannibal humor in bad taste, but for some animals, it’s no joke. Here are a few creatures for whom “I’d like to have you over for dinner” is a terrifying invite. (See “Surprise! Male Spiders Eat Females, Too.”)

They say the earlier you learn something, the better it will stick. Well, no wonder sharks are such world-class killers: They start before they’re born.

The year-long pregnancy of a female sand tiger shark may begin with six or seven embryos in her two wombs, but only one per womb will make it to birth, the CBC reports. The first to break