5 Weird Involuntary Behaviors Explained!
63,257Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate
Why we yawn, why we hiccup, twitchy eyes (and more)!
Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub
↓ More info and sources below ↓
Follow on Twitter: http://twitter.com/jtotheizzoe
Follow on Tumblr: http://www.itsokaytobesmart.com
Follow on Instagram: http://instagram.com/jtotheizzoe
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!
MY T-SHIRT: http://www.cognitive-surplus.com/product/science-is-magic-that-works-shirt-organic/
Read more:
Aristotle's "Book of Problems" free online: http://www.gutenberg.org/files/12699/12699-h/12699-h.htm#BOOK_OF_PROBLEMS
(it was probably not written by Aristotle, but instead collected after his death)
Yawns: http://www.bbc.com/future/story/20140811-warning-this-may-make-you-yawn
Eye twitches: http://www.straightdope.com/columns/read/1603/what-causes-my-eyelid-to-twitch
Sun sneezes: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2821404/
Hiccups: http://www.bbc.com/future/story/20140127-do-hiccup-remedies-work
Sleep twitches: http://www.bbc.com/future/story/20120522-suffer-from-sleep-shudders
http://www.bbc.com/future/story/20120522-suffer-from-sleep-shudders
Post-micturition convulsion syndrome: http://io9.com/5810102/the-science-of-pee-shivers
Have an idea for an episode or an amazing science question you want answered? Leave a comment below!
-----------------
It's Okay To Be Smart is written and hosted by Joe Hanson, Ph.DFollow me on Twitter: @jtotheizzoe
Email me: itsokaytobesmart AT gmail DOT com
Facebook: http://www.facebook.com/itsokaytobesmart
Google+ https://plus.google.com/+itsokaytobesmart
For more awesome science, check out: http://www.itsokaytobesmart.com
Produced for PBS Digital Studios
Joe Hanson - Creator/Host/Writer
Joe Nicolosi - Director
Amanda Fox - Producer, Spotzen IncKate Eads - Associate Producer
Andrew Matthews - Editing/Motion Graphics
Katie Graham - Director of Photography
John Knudsen - Gaffer
Dalton Allen - Post-Production Intern
Theme music:
"Ouroboros" by Kevin MacLeod
Other music via APM
Stock images from Shutterstock
-----------------
Last week's video:
There's no such thing as cold: https://www.youtube.com/watch?v=Akd7MMRKDwc
More videos:
Why Are Some People Left-Handed? https://www.youtube.com/watch?v=NPvMUpcxPSA
Why Did We Blow on NES Games? https://www.youtube.com/watch?v=4Gf9mtXnJfM
The Science of Game of Thrones - https://www.youtube.com/watch?v=Utu-LpJn3Is
There Was No First Human - https://www.youtube.com/watch?v=xdWLhXi24Mo
How The Elements Got Their Names - https://www.youtube.com/watch?v=mtg9p6A6xnY
Other Videos By Be Smart
| 2015-04-15 | Antibiotic Resistance and the Rise of Superbugs |
| 2015-04-06 | The Recipe For Life… |
| 2015-03-30 | %$?# Allergies! |
| 2015-03-23 | How Many Stars Are There? |
| 2015-03-16 | What Color is the Universe? |
| 2015-03-02 | Attack of the Zombie Parasites! |
| 2015-02-23 | Why Does February Only Have 28 Days? |
| 2015-02-16 | Why Vaccines Work |
| 2015-02-09 | How Many Heartbeats Do We Get? |
| 2015-02-02 | What is Déjà Vu?! |
| 2015-01-26 | 5 Weird Involuntary Behaviors Explained! |
| 2015-01-19 | There's No Such Thing As Cold |
| 2015-01-12 | How Many Smells Can You Smell? |
| 2015-01-05 | Does My Dog Know What I'm Thinking? |
| 2014-12-22 | Is Santa Real? (A Scientific Analysis) |
| 2014-12-15 | Why People Don't Believe In Climate Science |
| 2014-12-08 | Climate Science: What You Need To Know |
| 2014-12-01 | Building Curiosity |
| 2014-11-24 | Where Do Birds Go In Winter? |
| 2014-11-17 | Are We Living In the Sixth Extinction? |
| 2014-11-10 | Ask Joe Stuff #5 |