SciShow
Maybe Yawning Protects You From...Snakes?
Why is yawning contagious? It might be your body trying to keep on the lookout for snakes.
SciShow
Why Do We Stretch in the Morning?
Humans (and our pets) frequently instinctively stretch as soon as we wake up. But why? What is happening in our bodies when we stretch and yawn to wake ourselves up?
SciShow Kids
Why Do We Yawn?
We yawn a lot when we're tired or warm, and sometimes we even yawn just because we see other people yawning! But why do we yawn in the first place?
TED-Ed
TED-Ed: Why is yawning contagious? - Claudia Aguirre
*Yaaawwwwwn* Did just reading the word make you feel like yawning yourself? Known as contagious yawning, the reasons behind this phenomenon have been attributed to both the physiological and psychological. It's been observed in children...
SciShow
Maybe Yawning Protects You From...Snakes?
Why is yawning contagious? It might be your body trying to keep on the lookout for snakes.
SciShow
Why Do We Yawn
Why do we yawn? If you think the answer is BOR-ing, then maybe your brain's just overheated. Let Hank explain the new thinking behind why we ... hold on ... *yawn*. Excuse me.
SciShow
Fidelity Hormones, Contagious Behavior, and the Meat-Allergy Plague
This week's SciShow News finds Hank up to his elbows in weird disorders and strange behaviors, including a chemical that makes men stay faithful, new insights into what makes some behavior contagious, and the truth about a disease that...
SciShow
Why Do We Stretch in the Morning?
Humans (and our pets) frequently instinctively stretch as soon as we wake up. But why? What is happening in our bodies when we stretch and yawn to wake ourselves up?
SciShow
6ish of Your Everyday Actions, Explained | Compilations
The human body can have some odd, and sometimes gross, quirks. Like, why do we blush or laugh, especially when someone burps or farts? And what's even up with us having so much gas to begin with?! It sounds like it's time for a compilation!
Curated Video
Nighty Night
The Peeks are just settling the animals down for the night when a barn owl pays an unexpected visit.
Science ABC
Why Can’t You Always ‘Complete’ Yawns?
Repeated incomplete, unfinished yawns are often manifestations of underlying anxiety or stress. When you are stressed or anxious, you can’t “let go” enough to relax fully and achieve that full muscular stretch, causing a feeling of...
Next Animation Studio
China to test facial recognition on world's longest sea bridge
Facial recognition technology is being deployed on the Hong Kong-Zhuhai-Macau bridge, along with other identity-checking devices.
JJ Medicine
Migraine Headache Signs & Symptoms (Prodrome, Aura, Headache, and Postdrome)
Migraine Headache Signs & Symptoms (Prodrome, Aura, Headache, and Postdrome) Migraine headaches are a relatively common, debilitating type of headache that involves 4 phases including a possible prodrome, aura, headache, and postdrome....
Curated Video
Why is Yawning Contagious?
From a sign of exhaustion to a technique to keep the brain cool, there are many theories about why humans yawn. In this video, we will explain some of those theories and explore how different animals experience and share yawns.
Extra English Practice
Learning English - Using Adverbs To Describe How You Are Performing An Action
Adverbs of manner describe HOW we do something. Some examples are slowly, loudly, angrily and fast. In this video, Misha and Larissa play a fun guessing game to practice adverbs of manner.
Getty Images
(HD1080i) Human Development: Waking from Sleep
(HD1080i) Human Development: Waking from Sleep. HD 16:9 NTSC 1920 x 1080i with 30 fps. Motion-B Compression. Natural background audio -- or no audio. This high quality digital file can be imported and edited in standard definition NTSC...