SciShow
Can Animals Predict Earthquakes?
You might have heard about animals behaving oddly right before an earthquake hits. But are these reports more than just anecdotes?
TED-Ed
TED-ED: The strange case of the cyclops sheep - Tien Nguyen
In the 1950s, a group of ranchers in Idaho were baffled when their sheep gave birth to lambs with only one eye. Mystified by these cyclops sheep, they called in scientists from the U.S. Department of Agriculture to investigate. What...
SciShow
Cyclopia: A Rare Birth Defect That Could Help Cure Cancer
With a greater understanding of biological mechanisms, humans may be able to take a devastating birth defect and turn it into a treatment for cancer.
SciShow
The Secret Ingredient in Ruminant Spit
Every day, humans literally flush a valuable resource down the toilet: nitrogen. But there are some animals that have figured out a way to recycle the extra nitrogen in their bodies by moving it not to their livers, but to their mouths!
SciShow
Vikings, Volcanoes, and Sheep: How Geology Rewrites Ancient History
Vikings, volcanoes, and sheep don’t immediately seem like they should all be connected, but this unlikely trio is actually informing our knowledge of global history.
TED-Ed
TED-ED: The myth of Cupid and Psyche - Brendan Pelsue
Psyche was born so beautiful that she was worshipped as a new incarnation of Venus, the goddess of love. But human lovers were too intimidated to approach her, and Apollo recommended her father abandon her on a crag where she would marry...
SciShow
What Happened to Mad Cow Disease?
If you were around in the '90s, you might remember the scare over mad cow disease, but it seems to have quieted down in the intervening years. What happened?
MinutePhysics
How to Count Infinity
"Some infinities are bigger than other infinities" - Hazel Grace Lancaster, in "The Fault in Our Stars," by John Green
SciShow
Big Idea: Blood Transfusions
The idea of putting blood into a person was a radical one when it was first attempted 350 years ago, but today, more than 15 million pints of blood are donated each year in the U.S. to be used in transfusions to over 5 million patients....
MinutePhysics
Misconceptions Footnote †: Randomness and Feedback
Footnote to the main video here: https://youtu.be/HUti6vGctQM Feedback loops and spurious correlations! REFERENCES: Spurious correlations: http://www.tylervigen.com/spurious-correlations Loopy by Nicky Case: http://ncase.me/loopy/...
SciShow
What Happens to My Wool Sweater in the Washer?
Be careful with your wool. Unless you want a nice piece of felt with some holes in it.
Crash Course
The Meaning of Knowledge: Crash Course Philosophy
On today’s episode...CATS. Also: Hank talks about some philosophy stuff, like a few of the key concepts philosophers use when discussing belief and knowledge, such as what defines an assertion and a proposition, and that belief is a kind...
MinuteEarth
Why Don’t Sheep Shrink In The Rain?
Getting wet isn’t REALLY what makes wool shrink; it merely exacerbates the friction between the wool fibers, which is stronger in one direction than another, so when agitated in the washer or dryer, they migrate in relation to each other...
SciShow Kids
Wonderful Wool!
You might have clothes, like a hat or a warm, cozy sweater, that are made of wool. You might even know that a lot of wool comes from sheep! But do you know how wool goes from growing on a sheep to being made into a sweater?
Crash Course
Bodies and Dollars: Crash Course History of Science
After World War Two, the applications of basic discoveries in biology took off—and became big business. Today, we’ll look at the rise of Big Pharma and GMO foods. We’ll also discuss how life-science technologies fundamentally changed...
TED-Ed
TED-ED: The myth behind the Chinese zodiac - Megan Campisi and Pen-Pen Chen
What's your sign? In Western astrology, it's a constellation determined by when your birthday falls in the calendar. But according to the Chinese zodiac (__), it's your shuxiang, meaning the animal assigned to your birth year. And of the...
Crash Course
Get Outside and Have a (Mystery) Play: Crash Course Theater #10
Not long after drama reappeared in the unlikely home of European churches, the church decided again it didn't like theater. And so, the budding dramatic scene was kicked out into the harsh elements of the outdoors. So, they started...
Bizarre Beasts
Which Green Reigns Supreme
New ReviewIs Hank Green a green expert? Hank, Sarah, and Kallie Moore (from PBS Eons) are taking turns “blind ranking” a set of animals! Let's find out which beast is the greenest.
Curated Video
The Emptiest Country In The World!
With just 2.1 people per square kilometer, Mongolia holds the title as the most sparsely populated sovereign nation—a land where wild horses outnumber humans and the horizon stretches uninterrupted for hundreds of miles.
Wonderscape
Calculating Perimeter of Shapes: A Practical Guide for Builders
Math Kids Perimeter and Area of Regular and Irregular Figures. V1-0004 This video provides a clear and practical guide on how to determine the perimeter of different shapes, such as squares, rectangles, and irregular shapes like...
Wonderscape
Perimeter and Area in Geometry: From Ancient Greeks to Modern Mathematics
Math Kids Perimeter and Area of Regular and Irregular Figures. V1-0001 Perimeter is the distance around a shape, like the length of a fence enclosing an area. Area is the amount of space inside a shape, like the land enclosed by the...
Curated Video
The Good Shepherd Bible Story
Howcast - Learn the Bible story of the Good Shepherd in this Howcast video with Reverend Dr. Timothy Coombs.