mcgill.ca

AN5Ko TIL pineapple’s mouth-tingle is a defense trick: tiny needle-like crystals (raphides) jab your tissue while the enzyme bromelain breaks down proteins. Studies suggest this one-two punch evolved to ward off herbivores.
X0K06 TIL there are more permutations for a deck of cards than there are atoms on Earth.
epQZJ TIL If you shuffle a deck of cards properly, odds are that exact order has never existed before in history. There are 8.06×10⁶⁷ possible arrangements. That’s more than atoms in the observable universe. So every time you shuffle, you’re probably creating a cosmic first edition.