Somewhere in a German lab, scientists tasted something so vile, so offensively bitter, that it basically shouted “DO NOT EAT ME” at a molecular level. Found in a mushroom that looks like a fungal pancake, this compound makes black coffee taste like a milkshake. It’s so potent, one gram could turn 100 bathtubs into a regret smoothie. So, naturally, researchers are thrilled.

Most Bitter-Tasting Substance Ever Revealed