BBC

In other news:

Water is wet.

The sky is above you.

Fire is hot.

If you drop something, it goes down.

Breathing is important.

If you’re awake, you’re not asleep.

The floor is usually at the bottom of the room.

If you run out of food, you’re hungry.

The sun is brighter than a flashlight.

If you forget something, you don’t remember it.

A square has four sides—unless it doesn’t, in which case it’s not a square.

A broken clock is right twice a day—unless it’s digital, then it's just broken.

If you unplug your Wi-Fi, the internet stops working.

If you sit on a chair, you are no longer standing.

If you pour water on yourself, you will get wet.

More at eleven that comes after ten