SciShow
You Have Four Ages
A person's chronological age doesn't tell us much about the health of their body's various systems. That's why scientists are beginning to study biological ages, and it turns out there may be a lot of them.
SciShow
7 Ways to Spruce Up Your Cooking with Science
Your kitchen really is your own personal science lab, so here are some science-based cooking tricks to make tastier, healthier, and awesomer meals.
Bozeman Science
Cooperative Interactions
Paul Andersen emphasizes the importance of cooperation in living systems. He starts with a brief description of game theory and why countries at peace do better over the long term. He then explains how microscopic cells cooperate in the...
SciShow
7 Ways to Spruce Up Your Cooking with Science
Your kitchen really is your own personal science lab, so here are some science-based cooking tricks to make tastier, healthier, and awesomer meals.
TED Talks
Alan Russell: The potential of regenerative medicine
Alan Russell studies regenerative medicine -- a breakthrough way of thinking about disease and injury, using a process that can signal the body to rebuild itself.
SciShow
7 Organs You Could Totally Live Without
Most people know that they don't need their appendix, but what other organs can humans live without?
SciShow Kids
What Happens If You Swallow Gum?
Jessi swallowed her gum and was worried that it would stay in her stomach for 7 years! Could this really happen? What makes gum so different from other food?
SciShow
Food Compilation - Happy Thanksgiving!
It's Thanksgiving here in the United States and we at SciShow are thankful for many things, but one of the big ones is the fun and curious questions we get from you!
Amoeba Sisters
Enzyme Examples, Cofactors/Coenzymes, Inhibitors, and Feedback Inhibition
Already watched the Amoeba Sisters first video on enzymes and ready to explore a little more? In this video, the Amoeba Sisters cover a few examples of enzymes in the human body before emphasizing that enzymes are found in all the...
SciShow
What Happens If You Stop Pooping?
Constipation is no fun. Luckily, it can usually be remedied with a handful of prunes, a few cups of coffee, and some patience. However, if you don't poop for a long, long time, constipation can develop into some serious health problems.
Amoeba Sisters
Digestive System
Join the Amoeba Sisters for a brief tour through the human digestive system! This video will address major structures and functions including the esophagus, stomach, small intestine, and large intestine. This video also mentions chemical...
TED-Ed
TED-Ed: What's the big deal with gluten? - William D. Chey
If you've been to a restaurant in the last few years, you've likely seen the words gluten-free written somewhere on the menu. But what exactly is gluten, and why can't some people process it? And why does it only seem to be a problem...
Crash Course
The Digestive System: CrashCourse Biology
Hank takes us through the bowels of the human digestive system and explains why it's all about surface area.
TED-Ed
TED-Ed: How your digestive system works - Emma Bryce
Constantly churning inside of you, the digestive system performs a daily marvel: it transforms your food into the vital nutrients that sustain your body and ensure your survival. Emma Bryce traces food's nine-meter-long, 40-hour journey...
Bozeman Science
The Digestive System
Paul Andersen starts with a brief description of feeding methods. He then details all of the major parts within the human digestive system. This tour starts in the mouth, move down the esophagus, through the stomach, small investing,...
Crash Course
Digestive System, Part 1: Crash Course A&P
Nachos are delicious. And versatile because today they're also going to help us learn a thing or two about your digestive system. Nachos can provide us with energy and raw materials, by first ingesting something nutritious, propelling it...
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!
Crash Course
Digestive System, part 2: Crash Course A&P
Nearly 200 years ago, Alexis St. Martin was shot in the stomach. He was saved by local army doctor William Beaumont, but had to live out his remaining years with a gaping hole in the stomach -- allowing Beaumont to learn a lot about how...
SciShow
Why Do We Burp and Fart (So Much)?!
We all do it, but why? Hank explains the whys and hows of our gaseous emissions.
Crash Course
Digestive System, part 3: Crash Course A&P
Nachos are great...if you are among the lucky ones whose body can digest them. When digestion goes according to plan, the small intestine performs most of your chemical digestion in the duodenum, while accessory organs including the...
TED-Ed
TED-Ed: How does alcohol make you drunk?
Ethanol: this molecule, made of little more than a few carbon atoms, is responsible for drunkenness. Often simply referred to as alcohol, ethanol is the active ingredient in alcoholic beverages. So how exactly does it cause drunkenness,...
Curated Video
Absorption
In digestion, absorption is the movement of nutrients and other food chemicals from the gut into the bloodstream, which takes place in the small intestine. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds...
Curated Video
Appendix
A small, tube-like organ in the human body, attached to the start of the large intestine, and which appears to serve no useful function. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images...