TED-Ed
TED-Ed: When are you actually an adult? | Shannon Odell
Most countries recognize 18 as the start of adulthood by granting various freedoms and privileges. Yet there's no exact age or moment in development that we can point to as having reached full maturity. If there's no consensus on exactly...
TED-Ed
TED-Ed: What would happen if you lost your sense of touch? | Antonio Cataldo
We don't often think of touch as being a vital part of movement, but touch is one part of a network that oversees all the sensations arising from the surface and interior of our bodies. Touch, pain, temperature, and our spatial awareness...
TED-Ed
TED-Ed: How stretching actually changes your muscles | Malachy McHugh
An athlete is preparing for a game. They've put on their gear and done their warmup, and now it's time for one more routine — stretching. Typically, athletes stretch before physical activity to avoid injuries like strains and tears. But...
TED-Ed
TED-Ed: What is schizophrenia? - Anees Bahji
Schizophrenia was first identified more than a century ago, but we still don’t know its exact causes. It remains one of the most misunderstood and stigmatized illnesses today. So what do we actually know about its symptoms, causes, and...
TED-Ed
What causes migraines? | Marianne Schwarz
A throbbing, pounding headache. Bright zigzagging lines across your field of vision. Sensitivity to light, lingering fatigue, disrupted sleep. While an incapacitating headache is one of the most common symptoms, a migraine can include...
TED-Ed
Why do we have hair in such random places? | Nina G. Jablonski
We have lots in common with our closest primate relatives. But comparatively, humans seem a bit... underdressed. Instead of thick fur covering our bodies, many of us mainly have hair on top of our heads— and a few other places. So, how...
TED Talks
TED: The inaccurate link between body ideals and health | Nancy N. Chen
Global obesity rates are on the rise, but body shaming campaigns are doing more harm than good, says medical anthropologist Nancy N. Chen. Reflecting on how the cultural histories of body ideals have changed over time, she offers a new...
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
The Sexiest Compilation Ever | Compilation
Sex can be a taboo conversation, but over the years we found out that our viewers had a lot of questions about it. So we’ve put some of the answers to those questions into one video!
TED-Ed
TED-Ed: Iseult Gillespie: Frida Kahlo: The woman behind the legend
In 1925, Frida Kahlo was on her way home from school in Mexico City when the bus she was riding collided with a streetcar. She suffered near-fatal injuries and her disability became a major theme in her paintings. Over the course of her...
TED Talks
TED: How we're reverse engineering the human brain in the lab | Sergiu P. Pasca
Neuroscientist Sergiu P. Pasca has made it his life's work to understand how the human brain builds itself -- and what makes it susceptible to disease. In a mind-blowing talk laden with breakthrough science, he shows how his team figured...
Crash Course
To The Moon & Mars - Aerospace Engineering: Crash Course Engineering #34
This week we’re exploring aerospace engineering and its two main fields: aeronautical engineering and astronautical engineering. We’ll explore life & buoyancy, propulsion systems, and the challenges of managing the human body in space.
TED-Ed
TED-Ed: How do steroids affect your muscles— and the rest of your body? | Anees Bahji
Steroids. They've caused global scandals. They're banned in most athletic competitions. Yet the same properties that help elite athletes and bodybuilders improve performance also make steroids valuable for treating many illnesses and...
TED-Ed
TED-Ed: Why are eating disorders so hard to treat? | Anees Bahji
Globally, about 10% of people will experience an eating disorder during their lifetime. And yet, eating disorders are profoundly misunderstood. Misconceptions about everything from symptoms to treatment make it difficult to navigate an...
SciShow
How Science Got Us to 2020 | Compilation
As we forge ahead into the new year, let’s take some time to thank the intrepid researchers, volunteers, and even the occasional dog who came before us, made sure our food and drugs are free from poison, and built the devices that make...
SciShow
7 Science Illustrators You Should Know
Long before we had cameras scientists still needed visual documentation—enter the science illustrator! Chapters VITRUVIAN MAN Credit: Leonardo da Vinci 0:34 ANDREAS VESALIUS 1:25 DE HUMANI CORPORIS FABRICA 1:59 MARIA SIBYLLA MERIAN 2:39...
TED-Ed
TED-Ed: Da Vinci's Vitruvian Man of math - James Earle
What's so special about Leonard da Vinci's Vitruvian Man? With arms outstretched, the man fills the irreconcilable spaces of a circle and a square -- symbolizing the Renaissance-era belief in the mutable nature of humankind. James Earle...
TED-Ed
TED-Ed: Why do humans have a third eyelid? | Dorsa Amir
You know that little pink thing nestled in the corner of your eye? It's actually the remnant of a third eyelid. In humans, it's vestigial, meaning it no longer serves its original purpose. There are several other vestigial structures in...
TED-Ed
TED-Ed: Rusha Modi: What causes heartburn?
Humans have been battling heartburn for hundreds, if not thousands, of years. But recently the incidence has risen, making it a common complaint worldwide. What causes this problem, and how can it be stopped? Rusha Modi details the...
TED Talks
Fiorenzo Omenetto: Silk, the ancient material of the future
Fiorenzo Omenetto shares 20+ astonishing new uses for silk, one of nature's most elegant materials -- in transmitting light, improving sustainability, adding strength and making medical leaps and bounds. On stage, he shows a few...
SciShow
5 Ways to Use Your Body as a Charger
Devices that collect data about our bodies need power, but they also might need to be very small or even ingestible. To avoid including batteries in these cases, researchers are looking for ways to harvest energy from the body itself.
SciShow
5 Things Humans Got Really Wrong About Our Bodies
Throughout history, people have been trying to figure out how our bodies work and how to fix them when things go wrong. This has led to some ideas that, with the benefit of hindsight, seem very strange
SciShow
6 Surgical Devices Inspired by Nature
From the sharp mouthparts of mosquitoes to the sticky feet of geckos, researchers have found all kinds of amazing adaptations in the natural world that could be useful in the operating room. Chapters WASPS & TISSUE EXTRACTORS 2:05...
TED-Ed
TED-Ed: How do blood transfusions work? | Bill Schutt
In 1881, doctor William Halsted rushed to help his sister Minnie, who was hemorrhaging after childbirth. He quickly inserted a needle into his arm, withdrew his own blood, and transferred it to her. After a few uncertain minutes, she...