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
The Problem with Bee Venom Therapy
Does bee venom therapy work? Stings cause pain, itching, or even death in some people, so how might potential benefits outweigh the risks?
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
The Problem with Bee Venom Therapy
Does bee venom therapy work? Stings cause pain, itching, or even death in some people, so how might potential benefits outweigh the risks?
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...
TED Talks
TED: The tiny balls of fat that could revolutionize medicine | Kathryn A. Whitehead
What if you were holding life-saving medicine ... but had no way to administer it? Zoom down to the nano level with engineer Kathryn A. Whitehead as she gives a breakdown of the little fatty balls (called lipid nanoparticles) perfectly...
SciShow
The Surprising Link Between Allergies and Suicide
Our mood is influenced in many ways by our environment, and researchers have discovered a possible connection between the pollen in our air and a rise in suicide.
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
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
How a Storm Triggered a City-Wide Asthma Attack
A very weird way a thunderstorm might kill you.
SciShow
Why Do Bug Bites Itch?
Hank explores a vexing question asked at picnics and beach parties everywhere: Why do bug bites itch? To help you understand the answer, he takes you into the blow by blow of a bug bite which, we warn you, is pretty horrifying.
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
Is That a Cold or Are Your Organs Flipped?
If you’re someone who is constantly coughing up mucus, you might not actually have allergies. There’s a possibility that your organs are flipped and you don’t even know it!
SciShow
What Happens If You Eat Mold?
Even if you don’t notice that your bread is fuzzy before you chow down, it’s not going to kill you … probably.
SciShow
Can Pets Be Allergic to People?
Maybe you have a dog or cat who greets you with a sneezing fit once you walk in the door from work. Is it possible you're the problem?
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
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...
SciShow Kids
How Are Raisins Made?
Raisins are a sweet, healthy treat, but they have a big secret: they start out as grapes! And the story of how they go from big, juicy grapes to little, chewy raisins is super cool!
SciShow Kids
Leave Poison Ivy Alone! Botany for Kids
Jessi and Squeaks are ready to play outside, but there’s a unique plant they should be sure to avoid: poison ivy!
SciShow
Can You Be Allergic To Sunlight?
For you, going outside might mean a sunburn if you're out there too long without enough sunscreen, but for some people, any sun exposure can lead to hives and rashes within minutes!
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?
Curated Video
%$?# Allergies!
Springtime means the arrival of green grass, bright flowers, and buzzing bees. But for many of us, it's also about sneezing, watery red eyes, and a runny nose, thanks to allergies. In this week's video, you'll learn why we get allergies,...