21 Shocking Facts That You Probably Didn’t Know


We spend a good part of our first 20 years here on early receiving an education. They teach us everything we need to know – State capitals, algebra, dodgeball, and how to make a volcano using baking soda and vinegar. It turns out though that there are still some things we don’t know. Here are just a few of the really interesting ones.

Not sure how long to spend washing your hands? Take a look at how your hands look when you spend thirty seconds scrubbing rather than the standard “quick wash” many of us do after using the bathroom…


Ever wondered how a lock works?2

This is how sunscreen looks under UV light (the black color means the UV light can’t penetrate it). Click here for the full video. 3

- Advertisement -

This is how a dog drinks water.4

The size of planet earth in comparison with the largest star we know of.  


This is how braces work.


If you want to make a stealth computer screen, this is how you do it.


- Advertisement -

Just in case you ever wondered what it looks like to crack an egg underwater.  8

This is how water fractures light. 10

This x-ray shows what it looks like when you swallow.11

Worldwide air traffic in a single day in one GIF. 


A high-speed GIF of how a baby’s face develops in the uterus.13

- Advertisement -

This is the life cycle of a dandelion.  14

A particularly creative way to prove the Pythagorean theorem. 15

This is what it looks like when a star is sucked into a black hole.  16

And this is how bean vines grow. 17

Admit it. You always wanted to know how they print camouflage on helmets. 18

This is how a trumpet works.  19

This is how a cheetah uses its tail to control its inertia during a chase. 


And in case you ever wondered how a ladybug flies.  21