Do pineapples grow on trees? - Smarter Every Day 9

[Music] [Music]

Okay, so you're walking through the tropical rainforest, or at least what looks like it, and you come across a pineapple grove. These are what pineapples look like when they're growing. This is a one that's not very mature; you can see the red leaves and things like that. Uh, and then this over here is one that's more mature.

And then it appears that after they mature very well, they fall over like this right here. You can see they turn yellow. So pineapples grow on the ground. I learned that today.

And then I don't know what this is, but it appears to be written in some kind of tribal language. There's a bottle, and then on the inside of the bottle, there appears to be writing. I don't know if you can see that; I have no idea what it is.

So, because we are trying to be smart, we're going to leave now because this might be some kind of death threat that we don't particularly understand. So that's it: pineapples grow on the ground. You're now smarter!

I got my dad, and I want to show you. You have to know your position and where your relative motion is going so you can compensate for it. But chickens are really good at this. So I'll show you: watch his head stay totally stationary as I move his body. I can move his body in pretty much any direction. This...