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!
SciShow
Do Fat Cells Ever Really Go Away?
Okay- you lost weight, but what actually happened to those fat-storing cells?
SciShow
7 Animals with Super Weird (and Sometimes Horrifying) Teeth
Humans don't have interconnected teeth for slicing, or a secondary set of jaws to clamp down on prey already in our mouths, however, the rest of our animal kingdom is full of strange and awesome adaptations.
SciShow Kids
Meet Your Tonsils!
Has your doctor ever asked you to stick out your tongue and say "ah"? They're probably checking out your tonsils! But what are your tonsils, and what do they do?
Be Smart
3 Incredible Examples of Evolution Hidden In Your Body
Humans are special, and we got that way thanks to evolution and natural selection. The proof is right there in our bodies! From anatomy to genes, here are some stories of how you got to be the way you are.
MinuteEarth
Why We Faint (When Other Animals Don't)
Humans are the only animals known to faint due to triggers like shock, fear, or pain; this is due to a combination of our massive brains and upright stance.
Bozeman Science
Homeostasis Hugs
Paul Andersen explains how hugs between tissues can help maintain homeostasis. Countercurrent heat exchange allows heat to stay within the core of the body. Close contacts between the capillaries and alveoli allow our body to maintain...
TED Talks
Anders Ynnerman: Visualizing the medical data explosion
Medical scans can produce thousands of images for a single patient in seconds, but how do doctors know what's useful? Scientific visualization expert Anders Ynnerman shows us sophisticated new tools -- like virtual autopsies -- for...
SciShow
Why Do Heart Cells Turn into Bone?
It's no surprise that heart tissue and bone tissue have really different jobs. So why does it happen?
SciShow
SciShow Talk Show: The Clitoris & Wilbur the Hognose Snake
Join us for the SciShow Talk Show as Lindsey Doe sheds light on the female reproductive anatomy. Then Jessi from Animal Wonders joins the show to show off Wilbur the Western Hognose Snake. Chapters View all DR. LINDSEY DOE 0:18 CLITORIS...
SciShow
3 Wasps That Will Do Anything to Survive
From ripping your own appendages off to cockroach mind control, wasps go to great lengths to ensure the survival of their species.
Bozeman Science
Cell Division
Paul Andersen explains how cells duplicate through the process of cell division. Prokaryotic cells (like bacteria) duplicate through a process of binary fission. Eukaryotic cells (like you) duplicate body cells through mitosis and create...
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.
SciShow
Why Crocodiles Have an Extra Hole in their Heart
Crocodiles have four-chambered hearts, just like we do! But, while our hearts do just fine with four valves, they have a slightly different approach…
SciShow
3 Ways Your Sun Protection Can Backfire
People have a lot of ideas about how they can protect themselves from the sun’s ultraviolet radiation, but many of those ideas just don’t hold up, and some make things worse!
SciShow
Scientists May Have Found a Way to Treat All Cancers... By Accident | SciShow News
A universal cure for cancer would be a truly historic achievement in medicine, and it seems that scientists may have found it... by accident.
Be Smart
Sonic the Hedgehog Is Why You Have Thumbs!
The human hand, with its multi-talented thumb, might be man's greatest tool. But did you know we can trace that thumb, and the hand and arm it's connected to, all the way back to a 375 million-year-old fish named Tiktaalik? This week I...
TED-Ed
TED-Ed: Which sunscreen should you choose? - Mary Poffenroth
Sunscreen comes in many forms, each with its own impacts on your body and the environment. With so many options, how do you choose which sunscreen is best for you? To answer that question, Mary Poffenroth explains how sunscreens work and...
SciShow
What Does Carbonated Water Do to Your Body?
We love carbonated drinks, but they also get a bad rap. What does bubbly water do to our body? Is it really bad for us?
TED Talks
TED: How a blind astronomer found a way to hear the stars | Wanda Diaz Merced
Wanda Diaz Merced studies the light emitted by gamma-ray bursts, the most energetic events in the universe. When she lost her sight and was left without a way to do her science, she had a revelatory insight: the light curves she could no...
SciShow
What Does My Pee Say About Me?
The pee you just flushed without thinking could be a great sample to know what is going on in your body!
SciShow
The Protein That Switches on Puberty
Puberty is a wild time in human bodies, and so much goes on as they transform from a child to an adult. But it turns out, the whole process is controlled by a single protein - and it’s probably one you’ve never even heard of.
Crash Course
Blood Vessels, part 2: Crash Course A&P
And now we return to blood vessels. In this episode, we start discussing what blood pressure is, how it can become "high", and what that means for our health. One of the more interesting points is that your body has ways of dealing with...
SciShow
Why Real Avalanches Aren't Like Cartoons
Avalanches can be powerful and dangerous, but not all of them are created equal, and not everything you've seen on TV is likely to actually set one off.