1. Cats almost always land on their feet because they have a reflex called the "cat righting reflex" that takes advantage of their weirdly flexible backbone and lack of a functional collarbone.
2. Cats can't climb down trees because their claws are curved downwards, making them great for latching to surfaces while climbing up but useless for climbing down.
3. Purring actually has health benefits for cats since the sound of purring is just right to improve bone density.
4. Message from Whiskers: meow purr purr purr purr.. meow purr meow purr meow purr.. meow purr purr purr.. meow meow.. purr purr..
5. If your cat ever randomly starts yelling profanities at you by meowing them in Morse code, no it isn't.