TED Talks
TED: How I became part sea urchin | Catherine Mohr
As a young scientist, Catherine Mohr was on her dream scuba trip -- when she put her hand right down on a spiny sea urchin. While a school of sharks circled above. What happened next? More than you can possibly imagine. Settle in for...
TED Talks
Iain Hutchison: Saving faces: A facial surgeon's craft
Maxillofacial surgeon Iain Hutchison works with people whose faces have been severely disfigured. By pushing to improve surgical techniques, he helps to improve their lives; and by commissioning their portraits, he celebrates their...
Be Smart
What If You Never Forgot Anything?
How does memory work? And how does.... un-memory work? Our brain does a lot of remembering and forgetting every day, so you should probably make room for som info on how it works. You'll also get to meet some people who can't make...
SciShow
There Are More Than Two Human Sexes
In high school biology, we learn that humans are born with either XX or XY chromosomes, and that a person’s internal and external sex organs match those chromosomes. It turns out, however, that sex isn’t that straightforward.
TED-Ed
TED-Ed: How does laser eye surgery work? | Dan Reinstein
In 1948, Spanish ophthalmologist Jose Ignacio Barraquer Moner was fed up with glasses. He wanted a solution for blurry vision that fixed the eye itself, without relying on external aids. The surgery he eventually devised was called...
SciShow
Can You Keep Donating and Regrowing Your Liver?
Fun Fact: people can donate over half of their liver, and the tissue will grow back within a year! Knowing that, it seems pretty logical to assume that we could just keep donating and regrowing our livers over and over again, but is that...
TED-Ed
TED-Ed: How does anesthesia work? - Steven Zheng
When under anesthesia, you can't move, form memories, or -- hopefully -- feel pain. And while it might just seem like you are asleep for that time, you actually aren't. What's going on? Steven Zheng explains what we know about the...
SciShow
How Do You Make Memories?
What if you couldn’t remember anything past 30 seconds? Let us introduce you to a man named Henry Molaison who was diagnosed with anterograde amnesia. He couldn’t form new memories.
SciShow
3 People Who Probably Saved Your Life
Today we are talking about 3 scientists who, through their collective inventions and discoveries, have saved millions of lives.
SciShow
What Is Night Blindness?
Night blindness is real, and it can be caused by any number of things that affect the complicated mechanics of your vision.
TED-Ed
TED-Ed: How does heart transplant surgery work? | Roni Shanoada
Your heart beats more than 100,000 times a day. In just a minute, it pumps over five liters of blood throughout your body. But unlike skin and bones, the heart has a limited ability to repair itself. So if this organ is severely damaged,...
TED Talks
Geena Rocero: Why I must come out
When fashion model Geena Rocero first saw a photo of herself in a bikini, "I thought ... you have arrived!" As she reveals, that's because she was born with the gender assignment "boy." In this moving talk, Rocero tells the story of...
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
To Heal the Brain, Sometimes We Need to Damage It
Brain damage is usually a bad thing, but sometimes the best option is actually to damage the brain in very specific ways.
TED-Ed
TED-Ed: The surprising cause of stomach ulcers - Rusha Modi
It's a common misconception that stomach ulcers are caused by emotional upset, psychological distress, or spicy food. Yet no convincing study has ever demonstrated that these factors directly cause ulcer disease. So what does cause...
TED-Ed
TED-Ed: A curable condition that causes blindness - Andrew Bastawrous
An estimated 20 million cases of blindness worldwide are caused by cataracts, a curable condition affecting the lens that focuses images onto the eye's retina. But how are cataracts formed, and how can we prevent them? Andrew Bastawrous...
TED-Ed
TED-Ed: How do cancer cells behave differently from healthy ones? - George Zaidan
How do cancer cells grow? How does chemotherapy fight cancer (and cause negative side effects)? The answers lie in cell division. George Zaidan explains how rapid cell division is cancer's "strength" -- and also its weakness.
TED Talks
TED: How to talk (and listen) to transgender people | Jackson Bird
Gender should be the least remarkable thing about someone, but transgender people are still too often misunderstood. To help those who are scared to ask questions or nervous about saying the wrong thing, Jackson Bird shares a few ways to...
SciShow
Why Can Severe Pain Make You Vomit?
Nausea and vomiting are common side effects of severe pain, but why do our bodies do this!?
TED-Ed
TED-Ed: Performing brain surgery without a scalpel | Hyunsoo Joshua No
Every year, tens of thousands of people have brain surgery without a single incision: there's no scalpel, no operating table, and the patient loses no blood. Instead, this procedure uses a machine that emits invisible beams of light at a...
SciShow
How Often Do You Really Need to Shower?
Do you really need a daily shower to stay clean, or is it doing more harm than good? Some scientists have recommendations based on what we know about our skin , and what might be living on top of it.
Curated Video
Using Structural Engineering Techniques to Study Aortic Aneurysms
This video highlights the collaboration between structural engineer Jeff Calvert and vascular surgeons at University College London to research aortic aneurysms. Jeff's expertise in measuring stresses and strains in metal engineering...
Curated Video
What is a Project Checklist? Project Management in Under 5
Checklists save time, reduce errors, improve consistency, diminish stress, and even save lives. So what is a Project Checklist?
Curated Video
Cryogenics: Exploring the Past, Present, and Future
This video provides an overview of the study of cryogenics, exploring its origins and advancements in the field. It highlights the practical applications of cryogenics in medicine, such as cryosurgery and cryopreservation, which have...