In the very first episode of the Pokémon anime, Ash sees none other than Ho-Oh. The mon wouldn’t appear again for years when it was finally plastered over the cover of Pokémon Gold.

Have you ever overindulged in chocolate after a breakup? In the 19th Century, this would have been considered the right course of action, as doctors would commonly recommend chocolate as a cure for broken-heartedness.

The pain suppressant acetaminophen helps reduce pain and inflammation, but it can also temporarily dull your empathy! Researchers discovered that people who took acetaminophen were less likely to think other people’s pain was a big deal. Though the reason for this hasn’t yet been determined, scientists believe it has something to do with the structure of the brain.