SciShow
The Last Major Smallpox Outbreak in America
Luckily, we live in a time where we don't have to worry about smallpox anymore. It's a horrible disease, but through smart vaccination techniques, we took it from killing millions worldwide, to being eradicated from the planet!
SciShow
Retroviruses: Microbial Supervillains
Forget your Hans Grubers, Lord Voldemorts, and Hannibal Lecters. It’s time to meet some real supervillains. They’re called retroviruses, and they actually change their host cell’s DNA.
SciShow
How Does Cold Medicine Work?
The cold medicine you picked up at the store involves some cool chemistry to treat your symptoms. *Correction: This episode was written by Alison Caldwell.
SciShow
6 Incredible Discoveries Made on Accident
Some of science's most interesting discoveries happened totally on accident! From insects to infections, and polymers to pacemakers, we've accidentally discovered some pretty cool stuff. Watch this new episode of SciShow, hosted by...
SciShow
6 Sleeper-Agent Pathogens That Can Make You Sick
Your body usually does a great job defending you from all kinds of viruses, fungi, and bacteria. However, there are some pathogens out there that can hide from your immune system and stay dormant in your body, waiting for their...
SciShow
Why HIV is No Longer a Death Sentence
The HIV & AIDS epidemic claimed countless lives in the 80s and 90s— and while it's still a devastating diagnosis, medical technology has made significant advancements in treating HIV. In the second video of our two-part series on HIV and...
SciShow
Wheezy Waiter on Movie Science, Mutant Flu Facts, and 2 Sounds You've Never Heard!
Wheezy Waiter announces the SciShow nominees for "Worst Science in a Film," & Hank talks about the bird flu and shares two sounds that had never been heard by human ears until very recently.
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Why Viruses are Good for Wasps
Contracting a virus is generally a bad thing, but among certain parasitic wasps, passing a virus to their offspring is actually key to their survival.
SciShow
Whiteflies Destroy Crops Thanks to a Stolen Plant Gene | SciShow News
The silverleaf whitefly – a very prolific pest – is the only insect that we know of with a functional stolen plant gene.
SciShow
What's Up With That Russian Vaccine? | SciShow News
You might be wondering what we know about Sputnik V, the world’s first vaccine for widespread use against COVID-19. Well, so is everyone. Many experts are skeptical as to whether the vaccine actually works, because it’s been tested in a...
SciShow
Why It Actually Took 50 Years to Make COVID mRNA Vaccines
The FDA recently approved two mRNA vaccines for COVID-19, but it was a challenge to make this type of vaccine work. And it took decades of research to get us to the point where scientists could make those vaccines as quickly as they did.
SciShow
Viroids: Possibly the Smallest Pathogens on Earth
Potato spindle tuber disease wasn't a life-or-death situation, but it led to the discovery of viroids: infectious, replicating bits of RNA
SciShow
How Herpes Can Actually Be Good For You
Can having Herpes actually have benefits? While herpes viruses cause harmful or annoying afflictions like chickenpox and cold sores, there’s also evidence it can help your immune system fight unrelated attackers. Join Olivia Gordon for a...
SciShow
Eating Your Immunizations
For those with a fear of needles, edible vaccines seem like some distant utopian dream, but that dream may soon be a reality... for chickens.
SciShow
COVID-19 Reinfections Are a Thing: Here’s What We Know So Far | SciShow News
Researchers believe you can get reinfected with COVID-19, but we're not quite sure if that's a bad thing yet.
SciShow
Can We Really Develop a Cure for the Stomach Flu?
Currently, there is no cure for viral gastroenteritis—more commonly known as the stomach flu. However new research into cytokines has the potential to change that! Join Hank for a new episode of SciShow where we'll discuss if a stomach...
SciShow
Are Hand Dryers Sanitary?
Public bathrooms are teeming with microbes! You know to wash your hands, but when choosing between a hand dryer or a paper towel to dry them off— what’s your cleanest bet? Hosted by: Hank Green
SciShow
5 Devastating Security Flaws You've Never Heard Of
Devastating vulnerabilities are hiding in the technology in programs, protocols, and hardware all around us. Most of the time, you can find ways to protect yourself.
SciShow
What Omicron Means for the Pandemic’s Future | SciShow News
New variants of SARS-CoV-2 have emerged throughout the COVID-19 pandemic, with the latest one being Omicron. We’re still trying to learn about its effects and what it means for the overall course of the pandemic, but here’s what we know...
SciShow
We Might Be Totally Wrong About Alzheimer’s
Scientists found that the prevailing hypothesis of how the Alzheimer’s disease starts might be wrong, and some viruses could be the culprit.
SciShow
We Just Found Out Fat Cells Can Move!
Fat cells don't often receive praise in everyday life, but they probably deserve more credit, as they might be healing our wounds.
SciShow
There Probably Aren't Different Strains of SARS-CoV-2 (Yet)
Scientists are closely watching SARS-CoV-2 to track mutations and see if it's developed into different strains. So, has it?
SciShow
The Viruses That Changed Our World
While viruses can be deadly and completely wreak havoc on humanity, they can also sometimes change our world for the better. Join Hank Green for a new episode of SciShow and learn the truth about the viruses that have shaped humanity...
SciShow
The Trouble with This Year's Flu Season
We here at SciShow know of two things that can help you get through this flu season: a flu shot, and watching this video. Make sure you do both! Hosted by: Hank Green