SciShow
A Needle So Tiny It Injects Into A Single Cell
It may be possible to create a needle so small it can inject a vaccine into a single cell. But it's not the product of a medical device company. It's part of something we often think of as making us sick.
SciShow
What are Blood Types?
Quick Questions explains why, when it comes right down to it, there are really only eight kinds of people in the world.
SciShow
We May Have a COVID Vaccine in 2021, But Not Without Taking Risks
Right now, experts say a vaccine for COVID-19 is a year or more away. But as far away as it sounds, it’s only within the realm of possibility because scientists are speeding up the vaccine development process in surprising ways.
SciShow
There Are Millions of Blood Types
You’re probably aware that your blood can be A, B, AB or O, but it turns out that blood types can get a lot more complicated than that! *We made a mistake in the credits of this video: The writer of this episode was Alane Lim.
SciShow
Could Your Blood Type Ever Change?
From A positive to O negative, everyone's born with a blood type, and they're stuck with that blood type for their whole lives... or are they?
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
5 Scientists Who Experimented On Themselves: High Stakes Research
It took some time for us to realize it isn’t the best idea for scientists to experiment on themselves. But along the way, sometimes at the expense of the health of scientists, we have gained crucial insights into their areas of study.
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 Body Hair?
In today's episode Hank talks about hair: What's it good for, what's it made of, and why do we have less than other mammals?
SciShow
A User's Guide to the Human Body
If you've ever wondered why you crave certain foods or what your appendix actually does, there's something in this collection for you!
SciShow
How Do mRNA Vaccines Work?
Two of the vaccines we have for COVID-19 have the distinction of being the first mRNA vaccines to see widespread use in humans. But how do they work, and how are they different from the litany of immunizations you probably got as a kid?
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
Why Only Some Vaccines Need Booster Shots
Vaccines teach your immune system to recognize pathogens, but sometimes your body needs a bit of a reminder.
SciShow
SciShow: FAQ Compilation
We’ve compiled some of those frequent asks into one place, here, so hopefully, if you’ve ever wondered these curious questions, you can get a whole bunch of answers. Welcome to this episode of SciShow Compilation: FAQ!
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
How To Make Antivenom
Bitten by a venomous snake? There's hope! French scientist Albert Calmette developed the first snake antivenom in the late 1890s, and did such a good job that we use his technique to this day. Antivenom works by stimulating the...
SciShow
How Can One Person's Blood Save 2 Million Babies?
An Australian man named James Harrison holds the world record for most blood donations. His blood has saved the lives of millions of newborn babies, but how can one man's blood help babies all over the world?
SciShow
Two New Groundbreaking Cancer Treatments
Finding safe, effective cancer treatments is tough, but in the last couple of weeks, we've taken two major steps toward a future where every type of cancer has a cure.
SciShow
We May Have a COVID Vaccine in 2021, But Not Without Taking Risks
Right now, experts say a vaccine for COVID-19 is a year or more away. But as far away as it sounds, it’s only within the realm of possibility because scientists are speeding up the vaccine development process in surprising ways.
SciShow
How Your Blood Type Protects and Hurts You
Did you know that your blood type affects more than just who you can donate blood to?
SciShow
How to Make a COVID-19 Vaccine
One year to eighteen months might seem like a while to wait for a COVID-19 vaccine, but there's a good reason finding and approving a candidate takes a whole lot of time.
Amoeba Sisters
Multiple Alleles (ABO Blood Types) and Punnett Squares
Learn how to set up and solve a genetic problem involving multiple alleles using ABO blood types as an example!
Amoeba Sisters
Immune System
Explore the basics about the immune system with The Amoeba Sisters! This video talks about the three lines of defense and also compares cell-mediated response with the humoral response.
SciShow
Smaller, Better, Faster, Stronger: the "Antibodies" of the Future | Antibodies Mini-Series Part 3
These days, we’re pretty good at harnessing the power of antibodies for medicines and as molecular tools, but they do have some drawbacks. So, cutting-edge researchers are hoping to develop smaller and more stable alternatives, and...