Truly Useless Things You Have Learned

 Percentage of bird species that are monogamous: 90%
... Percentage of mammal species that are: 3%

You can't count your hair.

Laugh out loud ... And the world laughs with you.
Laugh hysterically for no apparent reason ... And they'll leave you alone.

... Broken pencils are pointless

... 42.7 percent of all statistics are made up on the spot. 

 ... Everywhere is walking distance if you have the time. 

... A flashlight is a case for holding dead batteries.

... Humpty Dumpty was pushed.

Useless knowledge becomes great conversation starters. (;

The first known person to write the word ‘bullshit’, in about 1910, was TS Eliot.

That is interesting ... I wonder if he meant the way of context it is taken today.
I got a few ...
... unless food is mixed with saliva you can't taste it.
lemons contain more sugar than strawberries.
.... 8% of people have an extra rib.
... Useless info ... Ummm,
A lobsters blood is colorless but when exposed to oxygen it turns blue.
... armadillos have 4 babies at a time and are all the same sex.

That the Caspian Sea has 130 rivers flowing into it.

In three words I can sum up everything I've learned about life: it goes on.

In the case of wild garlic and wild onion - The flowers look alike.
Yet, wild garlic has hollow leaves and wild onion has solid, flat leaves.