Why does your funny bone hurt when you hit it?
Hint: Youโre not actually hitting the bone.
Why is dental insurance separate from medical insurance?
Your teeth are a part of your body, right?
Why do I cry when I laugh hard?
We donโt know for sure, but crying and laughing are both ways that your brain soothes you and reduces stress. Crying while laughing could also just be because your tear ducts are getting stimulated by your face muscles.
Why do dogs have an extra paw pad on their front legs?
These corn-chip-smelling paw pads serve a helpful purpose.
Why do we get muscle cramps after heavy exercise?
And why, of all things, pickle juice can help.
Why do we rub our eyes when we are tired?
Itโs an instinct that prepares us for sleep. But you might want to think twice before doing it.
Why do humans kiss each other?
Or as one researcher described it, โskin sucking behaviour.โ
Why does bright light cause some people to sneeze?
If you sneeze when you look at the Sun, you probably have ACHOO syndrome (yes, this is the real name).
How and why do cats purr?
And learn why NASA tried to replicate purring to help fight against bone density loss in its astronauts.
What is an itch and why do we get itchy?
Get ready to scratch the itch of wanting to know why we itch.