TED Talks
Brian Goldman: Doctors make mistakes. Can we talk about that?
Every doctor makes mistakes. But, says physician Brian Goldman, medicine's culture of denial (and shame) keeps doctors from ever talking about those mistakes, or using them to learn and improve. Telling stories from his own long...
SciShow
Why These Weird Carnivores Smell Like Popcorn
If it smells like delicious buttered popcorn when you are in a middle of the forest, it’s not because there’s a movie theater nearby, but Binturongs, arboreal carnivore, might be.
SciShow
Where Do Camels Store Their Water?
When camels drink, they do so at a rate that would kill most other animals. But where does all of that water go? Hint: It's not their humps!
SciShow
What Are Eyeballs Made Of?
Eyeballs are unique organs, providing many animals with the ability to interpret the light waves in the world around them, but what are these squishy parts made of?
Amoeba Sisters
Multiple Alleles (ABO Blood Types) and Punnett Squares
Learn how to set up and solve a genetic problem involving multiple alleles using ABO blood types as an example!
TED-Ed
TED-Ed: Why plague doctors wore beaked masks | TED-Ed
The year is 1656. Your body is wracked by violent chills. Your head pounds and you're too weak to sit up. In your feverish state, you see a strange-looking man wearing a beak-like mask, his body covered from head to toe. Without seeing...
TED Talks
TED: What a driverless world could look like | Wanis Kabbaj
What if traffic flowed through our streets as smoothly and efficiently as blood flows through our veins? Transportation geek Wanis Kabbaj thinks we can find inspiration in the genius of our biology to design the transit systems of the...
SciShow
Horseshoe Crabs Saved My Life
Horseshoe crabs aren't really crabs, but they are super old, super cool, and they deserve your respect. Because they may have already saved your life. SciShow explains!
SciShow
What If Your Arm Falls Off Right After a Vaccine?
If you lost your arm almost immediately after being vaccinated, would you still be vaccinated?
SciShow
What Causes Brain Freeze?
That terrible pain the befalls us when enjoying an icy treat! How does that happen? Is there a cure? Let Hank explain.
SciShow
7 of Australia's Most Terrifying Inhabitants
If you've spent any time on the internet, you know that Australia is host to all sorts of horrible spiders and snakes. But that doesn't even begin to cover the myriad of dangerous, sometimes deadly, plants and animals you might encounter...
SciShow
Could We Breed Giant Spiders?
If, for some wild reason, we decided that breeding humongous spiders was a good idea, could we actually pull it off?
SciShow
Why Don’t Humans Have Whiskers?
You might have a beard, or a mustache, or even a soul patch. What you don't have are whiskers.
SciShow
How Liver Problems Can Lead to Brain Disease
We tend to focus on the brain in psychology, but it's part of an entire system! Other organs, even your liver, play a big role in psychological health.
Bozeman Science
Unit 4 Review - Homeostasis
Paul Andersen reviews the major concepts within the fourth unit of the new AP Biology framework. He begins by differentiating between negative and positive feedback loops. He explains how a stable internal environment is maintained...
SciShow
How Long Would You Survive on Mars?
Just how long could you survive on the surface of Mars without a spacesuit? Find out what it'd be like to stand on the surface of Mars, if you forgot to pack properly.
SciShow
How Can Orange Juice Make Your Kale Better?
No matter how much kale or spinach you eat, the bioavailability of non-heme iron doesn't increase, but the vitamin C in orange juice can actually help your body absorb more of it.
TED Talks
Peter Diamandis: Stephen Hawking's zero g flight
X Prize founder Peter Diamandis talks about how he helped Stephen Hawking fulfill his dream of going to space -- by flying together into the upper atmosphere and experiencing weightlessness at zero g.
TED Talks
George Whitesides: A lab the size of a postage stamp
Traditional lab tests for disease diagnosis can be too expensive and cumbersome for the regions most in need. George Whitesides' ingenious answer is a foolproof tool that can be manufactured at virtually zero cost.
TED Talks
TED: Say your truths and seek them in others | elizabeth Lesser
In a lyrical, unexpectedly funny talk about heavy topics such as frayed relationships and the death of a loved one, elizabeth Lesser describes the healing process of putting aside pride and defensiveness to make way for soul-baring and...
SciShow
Can Pets Be Allergic to People?
Maybe you have a dog or cat who greets you with a sneezing fit once you walk in the door from work. Is it possible you're the problem?
SciShow
Why Do Some Shots Make Your Arm Hurt So Much?
From MMR boosters to tetanus, you'll probably get a lot of shots in your life. And one thing you might notice is that some of them don't feel like much, but some of them can make your arm reallllly sore! Why is that?
SciShow
When Athletes Dope ... & Einstein FTW
This week's SciShow news has Hank bringing us a primer on the science behind various illegal and illicit ways in which athletes "improve" their bodies, proof of general relativity that we can actually see, and a new way to measure how...
SciShow
Why Do People Have Periods When Most Mammals Don't?
Few mammals actually get periods every month, or even at all, but why? Understanding what menstruation really is and why it happens could help ease symptoms & treat conditions that stem from the reproductive system.