MinuteEarth
Is Bigger Better?
Elephants might be strong, but they are weak compared to ants because ants have certain advantages that allow them to outlift their larger competitors.
TED Talks
TED: The future of repairing the human body | Nina Tandon
As humans live longer than ever before, we need our implants to last as long as we do, says bioengineer Nina Tandon. Using stem cells and digital fabrication, she's working on growing anatomically precise spare parts for the human body,...
SciShow
The Erratic Behavior of Water
Water is one of the most abundant and important substances on Earth, so you think we'd know everything there is to know about it. Turns out, water is so much stranger and more complex than we ever thought! Join Olivia Gordon for a new...
SciShow
Why Are Some People Double-Jointed?
You might have a friend who is “double-jointed" and can bend their fingers in freaky ways. Why are they are so flexible?
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 Talks
Jamie Paik: Origami robots that reshape and transform themselves
Taking design cues from origami, robotician Jamie Paik and her team created "robogamis": folding robots made out super-thin materials that can reshape and transform themselves. In this talk and tech demo, Paik shows how robogamis could...
SciShow
Can Achy Joints Really Predict the Weather?
Can your grandma really tell when a storm is coming based on her knee? Scientists have been looking into this tale for years, and either way, you should probably still call her just because.
SciShow
The History, and Future, of Space Suits
Reid Reimers explains one of the often-overlooked technologies that humans need to live in, and explore, space: space suits. Learn about the hundred-year history of the pressurized suit, and see what the future of space couture might...
TED-Ed
TED-Ed: Why do your knuckles pop? - Eleanor Nelsen
Some people love the feeling of cracking their knuckles, while others cringe at the sound. But what causes that trademark pop? And is it dangerous? Eleanor Nelsen gives the facts behind joint popping.
TED-Ed
TED-Ed: Why haven't we cured arthritis? | Kaitlyn Sadtler and Heather J. Faust
The bad backs, elbow pain, and creaky knees so common in older people often aren't just "old age." In fact, the source of this stiffness plagues many young people as well. The culprit is arthritis: a condition that affects over 90...
SciShow
Why Scientists are Giving Robots Human Muscles
Human-robot hybrids are advancing quickly, but the applications aren't just for complete synthetic humans. There's a lot we can learn about ourselves in the process.
TED Talks
TED: The incredible potential of flexible, soft robots | Giada Gerboni
Robots are designed for speed and precision -- but their rigidity has often limited how they're used. In this illuminating talk, biomedical engineer Giada Gerboni shares the latest developments in "soft robotics," an emerging field that...
SciShow
3 Senses You Didn't Know You Had
At some point, you've probably learned about the five senses: sight, sound, smell, taste, and touch. However, the classic list doesn't account for all the sensations we experience and use to navigate the world around us!
SciShow
Why Do Spiders Curl Up When They Die?
When spiders die, their tiny legs curl up tight against their body, because spiders don’t use muscles to extend their legs. Instead, they have hydraulic legs!
Crash Course
Joints: Crash Course A&P
We continue our look at your bones and skeletal system, skipping over the silly kid's song in favor of a more detailed look at your your axial and appendicular skeleton. This episode also talks about the structural and functional...
SciShow
5 Bad Habits That Aren't All Bad
We've all got bad habits that we might feel a little bad about, but we're here to tell you stop feeling guilty! Kind of.
SciShow
Is Running Really Bad for Your Knees
Have you ever worried that running causes more problems than it solves?
TED-Ed
TED-Ed: Why sitting is bad for you - Murat Dalkilinc
Sitting down for brief periods can help us recover from stress or recuperate from exercise. But nowadays, our lifestyles make us sit much more than we move around. Are our bodies built for such a sedentary existence? Murat Dalkilin�c...
SciShow
Why Do Joints Pop And Crack?
SciShow explains what really causes those popping sounds your joints make -- fluid dynamics, people! -- and what you should watch out for if you're a habitual knuckle-popper.
SciShow
Why Are Some People Double-Jointed?
You might have a friend who is “double-jointed" and can bend their fingers in freaky ways. Why are they are so flexible?
TED-Ed
TED-Ed: The benefits of good posture - Murat Dalkilinc
Has anyone ever told you, "Stand up straight!" or scolded you for slouching at a family dinner? Comments like that might be annoying"but they're not wrong. Your posture is the foundation for every movement your body makes and can...
TED-Ed
TED-ED: Making a TED-Ed Lesson: Animating zombies
What style of animation perfectly mimics the movement of zombies? Puppet animation allows for just the right amount of zombie-like stiff limbs and jerky stumbles. TED-Ed animators show how to bring a zombie to life through 2D puppet...
Curated Video
The Science Behind Cracking Joints: Why Do They Make that Popping Sound?
This video explains the cracking or popping noise that occurs when we crack our knuckles or other joints. It reveals that the sound is caused by gas bubbles being released between the joints and that this happens because of the movement...
Curated Video
The Amazing World of Bones: Discovering the Structure and Function of the Human Skeleton
In this video, we explore the fascinating world of bones in the human body. We learn that babies are born with over 300 bones, which gradually fuse to form a full skeleton of 206 bones by early adulthood. Bones are not just lifeless...