SciShow
How We Get Sick in Space and How to Recover | Compilation
No one likes being sick, but can you imagine catching a bug while hurling through space? Turns out, this is an issue that many space agencies have worked to study and mitigate.
SciShow
The Woman Who Saved the World
On her way to winning the 2023 Nobel Prize for her pioneering work on mRNA vaccines, Katalin Karikó lived a life made for the big screen.
PBS
A brief but spectacular take on giving incarcerated youth a voice
Photographer Richard Ross has documented the U.S. juvenile justice system for the better part of a decade, producing the books “Juvie Talk” and “Girls in Justice” based on his experiences with incarcerated youth. He believes the kids he...
PBS
Can Viruses Travel Between Planets?
With the global pandemic of Covid 19 still encompassing the world, we are generally not big fans of viruses right now. But we sure are thinking about them a lot. That’s right, even astrophysicists are pondering these bizarre little...
TED Talks
TED: The world's rarest diseases — and how they impact everyone | Anna Greka
Physician-scientist Anna Greka investigates the world's rarest genetic diseases, decoding the secrets of our cells through "molecular detective work." She explains how her team is using new, advanced technology to solve decades-old...
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
Does COVID Mess With Your DNA?
As more and more are infected with COVID-19, there's a growing group of people who have what's called Long COVID, meaning they still have symptoms for weeks or months after getting sick. While we still don't know for sure the cause of...
SciShow
How Does Chickenpox Turn Into Shingles?
You might know that chickenpox and shingles are both caused by the same virus, varicella zoster. Here's why the symptoms, and even the vaccines, are different the second time around.
SciShow
Why HPV Is Cancer In One Convenient Package
HPV isn't the only virus that causes cancer, but it's one of the best at it. Here's what we've learned about this supervillain of a pathogen, and how to stop it.
SciShow
Can We Treat Alzheimer's With Period Blood?
From diabetes to Alzheimer's, there's a lot that we hope to be able to treat using stem cell therapies. But the stem cells we use tend to be hard to come by. But it turns out there's a new source of stem cells that has researchers...
SciShow
How PET Scans See Cancer
When someone gets a PET scan to detect tumors and how far a cancer has spread, that machine is actually detecting sugar. Because cancer has a sweet tooth, and this phenomenon, called the Warburg effect, may help us develop new cancer...
SciShow
Chemo Sucks. Science Is Changing That
We use chemotherapy because it works, but no one has ever come home from chemo treatment and gone "That was fun!" Let's look at the new targeted therapies and personalized treatments for cancer that doctors are developing for clinical use.
SciShow
Half of All Plants Are Invisible
If you see an acorn sprout under an oak tree, you're seeing that tree's grandchild. Here's why half of all higher plants are invisible, and why it works for them.
MinuteEarth
Why Do Heart Attacks Cause *Arm* Pain?
When the brain receives pain from an internal organ, it often projects the pain in the wrong place because of the way sensory nerve paths converge
MinuteEarth
The Disease You Will Never Survive
A simple mis-folding in a certain brain protein causes a disease for which we have no cure.
SciShow
We Finally Know How Anesthesia Works
Even though doctors have been using general anesthesia for nearly 200 years, they haven’t really understood the details of how it temporarily shuts down your brain — until now.
SciShow
Visual Illusions: Why You See Things That Aren't There
Visual Illusions: Why You See Things That Aren't There
SciShow
These 100-Million-Year-Old Microbes Are Still Alive!
Researchers have found ancient communities of microbes that have been buried deep, for a hundred million years! This discovery might be the oldest living thing on Earth, and could even expand the search for life on other planets.
SciShow
The Strange Life of a Giant Cell | The Xenophyophore
What on earth is a xenophyophore? It's a single-celled organism that unlike what you might think is NOT microscopically small. In fact, these ocean dwellers are a little heftier than that! Learn all about them in this new episode of...
SciShow
The Secret of Your "Junk," Revealed!
Hank brings us breaking news from a team of geneticists working on figuring out what all that "junk DNA" in the human genome really is - turns out it's not junk after all.
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
Plants That Keep Themselves Warm
Sometimes, plants do unexpected things. Like control their own body temperature.
SciShow
New Genetic Clues to the Mystery of Your Giant Brain
Big-brained scientists have found the mechanism that may have allowed their brains (and all humans') to get so big.
SciShow
Mitochondria Are the Powerhouse of… Alzheimer’s?
Some researchers think mitochondria could be hiding the key to Alzheimer's disease. And we may have a new strategy to fight the threat that the global banana industry has been facing for decades.