I had ’em, you had ’em, everybody had ’em at least once. The Today I Found Out YouTube channel’s Simon Whistler explains why those so-called “Mexican jumping beans” jump. SPOILER: They’re not beans. Also, they sorta twitch rather than jump.

An unidentified USPS postal worker freaked out when he heard “ticking sounds” coming from a mailed package of Mexican jumping beans Saturday afternoon, triggering a bomb scare and a neighborhood evacuation in Carlsbad, north of San Diego.

WTF are Mexican jumping beans anyhow? [Mas…]