50 People Share Random Facts That They Were Shocked To Learn

The salinity in the human body almost equals that of the sea.

It was less the fact itself but the realization that we have such a strong connection to where we all came from.

Tetris helped a group of scientists learn some pretty intresting s**t about Alzheimer's.
We learnt that our brains will still store memories, but they can't retrieve them anymore.
This was discovered from a experiment involving people who had akzeiheimers, playing Tetris.
It was found that people could subconsciously dream about tetris with out remembering having ever seen it or played it.
The phenomenon was called "the Tetris effect".

There are 30% less birds in North America now than there was in 1970.

If you go by Greco-Roman Mythology within the Disney universe, Ariel and Heracles are relatives. Heracles's dad is Zeus, who has a brother, Poseidon. Now, Poseidon has children of his own, including a merman named Triton. Keep in mind, with this logic, this would make Zeus Ariel's Uncle, thus making her and Heracles cousins on a technicality. 

Blucifer (the Blue Mustang sculpture located at the Denver International Airport) killed its creator, Luis Jiménez, when a section of the sculpture fell on him, severing and artery in his leg

That the bananas we eat today have been domesticated/modified to remove their seeds. Blew my mind 

71% percent of the green house gasses emitted in the world come from only 100 corporations. Not sure if it's true, but if it is, WTF.

Your skeleton is wet while you're using it.

It makes perfect sense but it DEEPLY upset my brain to have 2 and 2 put together.

Wombat poo is naturally cubical

Betty White is older than sliced bread.

Bar code scanners, scan the white part of the bar code and not the black part. It doesn't scan just the white part, it looks for whatever isn't black.

I just found out that Abigail Folger (Daughter of Folger's coffee chairman Peter Folger and heir to the multi-billion dollar company) was m******d by the Manson family and her death was overshadowed by Sharon Tate.

Over half of Canada's population lives south of Seattle.

That there were different species of human. Neanderthals in particular absolutely blew my mind. I only really understood this was absolute fact in my early 20's. (Catholic school, not taught about evolution)

Squirrels can't die from falling from any height

Cats are safe from injury in any fall as long as they fall from a certain height or higher. Basically, small animals are so light that air resistance slows their fall to a safe speed. For cats, they have to have enough time to adjust their body and spread out to increase resistance and slow their fall.

Humans can regrow the tips of their fingers if they get cut off below the nail bed.

The Anno Domini dating system wasn’t created until 525 AD.

That Bald Eagles don't make noise and that it's Redhawks that they use for the sounds of Bald Eagles in movies.

I was mostly surprised because I thought “man, wouldn’t it be cool if that existed?” So I googled it and found out it existed!! A language made of whistles. That way you can communicate from far off.

It was developed in some mountainous place where people had to communicate from mountain peak to mountain peak before the use of binoculars.