Up Next
Back to Show
It's Okay to Be Smart
5 Weird Involuntary Behaviors Explained!
Season 3
Episode 14
Our bodies do a lot of weird things, and many of them are completely involuntary. Why do we often jerk our bodies awake right before falling asleep? Why do we yawn? Why do we hiccup? Why do some people sneeze when they look at the sun? And why does your eye twitch? This week we'll look at the science behind these crazy involuntary behaviors!
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
5:42
Glass is made of sand, which is a kind of rock. But glass is transparent. We explore why!
11:20
This is how to make a COVID-19 vaccine.
8:01
Do you know the true story of how his famous experiment changed the world?
15:14
Here’s the true story of one of the oldest human customs still in use today.
8:07
Geckos can grip and climb almost anything almost like they can defy gravity but how?
11:38
The world is going to end and scientists are certain all of this will happen.
12:19
The fastest animal in nature isn't what you think it is. It's way, way smaller than that.
8:57
Let’s learn about how our brains keep track of and try to make sense of time.
12:54
Addressing a few of the most common myths & misunderstandings using scientific evidence.
7:25
Wearing a mask is a cheap and easy way to help stop the spread of COVID-19.
8:11
Why don’t WE have our skeletons on the outside? This is the story of bones!
7:46
Or… maybe the question of what is and isn’t a dinosaur goes deeper than we think?