SciShow
The Sexually Transmitted ... Sandwich?
When you're enjoying an intimate moment with that special someone, the peanut butter and jelly sandwich you ate for lunch is probably the last thing on your mind. But sexually transmitted allergens are a thing, and nut allergies aren't...
Be Smart
Why Are So Many People Allergic To Food?
More people have food allergies than ever before. Peanuts, tree nuts, shellfish, eggs, and even milk… the list of possibly dangerous foods seems to get longer every day. But why do some people’s bodies have deadly reactions food? And why...
SciShow
Gluten
Gluten is a sticky protein composite found in cereal grains. Hank gives us some insight into the importance of gluten in history, as well as its impact on health in our own time.
SciShow
Why Do Peaches Make My Mouth Itch?
Allergies can already be a bummer, but did you know they can eventually stop you from enjoying your favorite foods?
SciShow
5 Reasons Breastfeeding is Awesome
Hank gives us the top 5 scientifically documented reasons why breastfeeding is awesome - for both mom and baby.
Bozeman Science
Coral Bleaching
In this video Paul Andersen shows how increasing ocean temperatures causes coral polyps to release their symbiotic algae. This process of coral bleaching decreases the availability of energy for the coral and may eventually lead to coral...
Crash Course
Your Immune System: Natural Born Killer - Crash Course Biology
Hank tells us about the team of deadly ninja assassins that is tasked with protecting our bodies from all the bad guys that want to kill us - also known as our immune system.
SciShow Kids
Why Can’t I Eat Peanut Butter?
Some people (maybe you!) can't eat certain foods because they're allergic to them. People can have an allergic reaction to almost any kind of food, or even other things, like bee stings! But all allergies have something in common: our...
SciShow Kids
Solar-Powered Slugs
We need to eat food to fuel our bodies, but this special slug, called emerald elysia, can make food using sunlight - just like plants do! All organisms have external parts. Different animals use their body parts in different ways to see,...
TED Talks
Jiabao Li: Art that reveals how technology frames reality
In a talk that could change how you see things, designer and artist Jiabao Li introduces her conceptual projects that expose the inherent bias of digital media. From a helmet that makes you "allergic" to the color red to a browser...
SciShow
8 of the Worst Stinging Insects
Generally, humans try to avoid getting stung by insects. However, in the name of science, the betterment of humanity, and pure curiosity, there are brave people out there who willingly subject themselves to the business end of the most...
SciShow
White Sand Beaches: You're Sunbathing on Fish Poop
Find out how parrotfish, zooxanthellae, calcium carbonate (aragonite), and poop combine to make the white sandy beach sunbathers love.
SciShow
Insect Filth and Bloody Messes with Evelyn From The Internets!
Hank faces off against his Crash Course co-worker Evelyn from the Internets in this test of wits and sticky science knowledge! Who will win and who will lose?
SciShow
Don't Eat the Watermelon Snow!
You know, it's probably best to just not put snow in your mouth regardless of color.
Be Smart
Can Coral Reefs Survive Climate Change? #OursToLose
The #OursToLose YouTube campaign sheds light on climate change and the environment.
SciShow
Poor, Misunderstood Poison Ivy
It sure seems like some plants really don't want you hiking through their woods, but maybe your immune system is just overreacting.
SciShow
Antihistamines for Everything?
When you think of antihistamines, you're probably only thinking about getting rid of a runny nose, but we're learning that antihistamines can be used for nausea, insomnia, and even depression!
SciShow
7 of Australia's Most Terrifying Inhabitants
If you've spent any time on the internet, you know that Australia is host to all sorts of horrible spiders and snakes. But that doesn't even begin to cover the myriad of dangerous, sometimes deadly, plants and animals you might encounter...
SciShow
Gluten
Gluten is a sticky protein composite found in cereal grains. Hank gives us some insight into the importance of gluten in history, as well as its impact on health in our own time.
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 Kids
Why Does Springtime Make Me Sneeze? Body Science for Kids
Are you sneezing more as it gets nicer outside? Jessi and Squeaks talk about allergies, and explain what your body is going through!
SciShow
5 Reasons Breastfeeding is Awesome
Hank gives us the top 5 scientifically documented reasons why breastfeeding is awesome - for both mom and baby.
SciShow
Food Mold 101
It's a moldy world out there, especially in the kitchen. You have questions about food mold, right? Well Hank has your answers. Chapters View all FOOD MOLDS ARE MICROSCOPIC FUNGI 0:28 SPORE RELEASES ROOT THREADS 1:00 MYCELIUM BREAK DOWN...