Please provide my with your irrelevant knowledge. Random facts you never get to use in real life, yet you memorised?

Sea Otters hold hands while sleeping so they don't drift away from each other.

There are 5,280 feet in a mile.
There are 43,560 square feet in an acre.

" Did you know the human head weighs 8 pounds?  "

(Factoid from the movie "Jerry Maguire")

My 2 are:

A crocodile can't move it's tongue and cannot chew.

And most lipstick contains fish scales.

In 1905 Calgary had its largest funeral ever (up to that point). The Funeral was for John Ware, a former US slave.

From memory? Yeah, well, we did that at school in my day. But here's one that's more appropriate to the modern world ... Even though you might have to think about it for a bit.

There are only 10 kinds of people in the world: Those who understand binary and those who don't.

The government will allow a certain amount of insect parts, mouse and rat droppings in ground wheat / flour.

"Adeom qui le tificat yuvem tutem maum." "Quare, re puliski. Eh quare ..." The Latin Mass.

My latest one is that the corona of the sun is more than 200 times hotter than the surface of the sun and that makes no sense in physics at all -  heating stuff more than the source of the heat.
Good stuff.

If your corn is has more than 3% moisture, they'll dock you when you go to sell it.

The mitochondria is the powerhouse of the cell.

There are no wild honey bees in Europe. There are "escapees", but their colonies almost never survive as long as a year.  So, if you see a honey bee on your flowers, it almost certainly belongs to someone.

earth has no termination date.