SciShow
Dendritic Cells: Scishow Talk Show
Hank and PhD Candidate Joanna Kreitinger discuss research being performed on dendritic cells in relation to the immune system. Later, Jessi from Animal Wonders joins to show us the emperor scorpions.
SciShow
7 Medicines That Come from Super Toxic Critters
Scorpion venom and insect poison sound really deadly, but scientists are increasingly turning them into medical treatments that save millions of lives. Hosted by: Hank Green
SciShow
The Deadliest Toxins on Earth
There are naturally occurring toxins on Earth that are SO poisonous that one drop could kill thousands of people. How is that possible? What about their chemical makeup makes them so poisonous? Join Hank Green for an exciting look into...
SciShow
Old Pill, New Trick
One team of researchers may has found a promising lead in the fight to cure or prevent Alzheimer's. And another team is helping us understand how Hydras regrow their heads. Hosted by: Hank Green
SciShow
Does Getting COVID-19 Make You Immune to It? | SciShow News
Like a common cold or a cold sore, would it be possible to get a reinfection of COVID-19? Would we be able to build up long-term resistance to it?
SciShow
An Alzheimer’s Drug That Doesn’t Treat Alzheimer’s?
In 2021, the FDA approved a treatment that claims to stop Alzheimer's at the source, removing the plaques in the brain long thought to cause the symptoms of the disease. But, as is often the case, things are more complicated than they...
SciShow
A Brief History of Life: Survival Is Hard
It turns out life may have gotten its start pretty early in Earth's history, and while the first couple billion years saw several important developments, the period was still dominated by very simple life forms. This is our first...
SciShow
8 Mind-Blowing Optical Illusions
Your brain does its best to inform you about the world around you, but sometimes it gets tricked. Enjoy eight optical illusions to test your brain’s sensory input.
SciShow
6 Parasites That Live INSIDE Cells
When you think "parasite," you might think of leeches or some nasty tape worm, but there are some that can live inside your very own cells.
SciShow
How Tattoos Really Work... At Least in Mice
People have been getting tattoos for thousands of years, but we've never quite been sure why the ink sticks around under our skin. A group of researchers now think they might have the answer. Plus, scientists are on the road to making...
SciShow
What the CRISPR Embryo Editing Study Really Taught Us
What did the recent study using the CRISPR gene editing technique actually entail, and what did we learn from it? Hosted by: Hank Green
SciShow
Is It COVID Or Is It Your Vape Juice?
Set against the backdrop of the COVID-19 pandemic, the rise of vaping-related lung injury over the past few years has complicated things since it can cause an uncannily similar host of symptoms to COVID-19. So, let’s take a closer look...
SciShow
5 Kinds of Slime Found in Nature | Slime Time Compilation
What's the scoop on slime? You may have seen green slime on some TV show challenges, but turns out there is some pretty cool slime that occurs naturally in nature! For some animals, slime is vital to their daily lives! Join Stefan Chin...
SciShow
What Happens When Food Goes Bad?
You've seen your fruit get moldy, or maybe your bread products. Sometimes old meat gets a funky smell. But what is actually happening scientifically when your food goes bad? It's pretty interesting. Join Hank Green for a new episode of...
SciShow
The Truth About Twins & Doppelgängers
What is the science behind doppelgängers? In this fun episode of SciShow, two bespectacled science YouTubers enter, one bespectacled science YouTuber leaves ... because while they may look suspiciously alike, Joe Hanson has his own...
SciShow
The Deal with Protein
People like to say all kinds of things about protein – like, you need to eat lots of it to build muscle and lose weight. The truth is, the science of protein and how your body uses it is much more complicated than that. Hosted by: Hank...
SciShow
The 6 Most Common Myths About Cancer
Cancer is a terrible disease that often ends up the subject of a lot of speculation. In this episode, we'll be debunking these 6 common myths about cancer. All of this stuff seems plausible, but these misconceptions just don't hold up....
SciShow
The 5 Most Important Molecules in Your Body
Your body has all sorts of complicated processes going on, and a lot of them are carried out by incredibly powerful molecules. We’re not talking nutrients -- we’re talking about 5 of the molecules that keep you ticking!
SciShow
Some Mammals Can Just… Pause Pregnancy
We generally think of pregnancy as a continuous process, but scientists have recently discovered mechanisms that allow for certain mammals to put the development of a fetus on pause.
SciShow
How Goldfish Went From Pretty To Invincible And Back Again
We began keeping goldfish as pets more than 1,000 years ago, but their beauty wasn’t the only thing they had going for them. Goldfish had a lot of really weird biological traits that made them incredibly resilient. And in an unfortunate...
SciShow
Why Herpes Is the Most Talented Virus Ever
Unlike with many other viruses, once you get a herpesvirus you’re stuck with it for life. But just how do these master trespassers accomplish this feat?
SciShow
Why Does Wasabi Burn Your Nose?
The answer to why wasabi is such a nose burner has to do with a compound that researchers are trying to use in a creative way! Hosted by: Stefan Chin
SciShow
Why Do Cat Eyes Glow in the Dark?
Those eerie shining orbs staring at you from the bushes when you take the trash out at night could be any number of animals, but why do their eyes glow like that? Hosted by: Michael Aranda
SciShow
Where Do Camels Store Their Water?
When camels drink, they do so at a rate that would kill most other animals. But where does all of that water go? Hint: It's not their humps!