TED-Ed
TED-ED: The fundamentals of space-time: Part 3 - Andrew Pontzen and Tom Whyntie
In the first two lessons of this series on space-time, we've dealt with objects moving at constant speeds, with straight world lines, in space-time. But what happens when you throw gravity into the mix? In this third and final lesson,...
SciShow
Why are Dead Bugs Always on Their Backs
You've probably noticed that dead or dying bugs end up on their backsides, and that's not just your imagination! It turns out there are some physics at play here.
SciShow
The Overlooked Connection Between ADHD and Sleep
People with ADHD often have problems getting to sleep, but is it the ADHD symptoms that causes the lack of sleep or lack of sleep that cause ADHD symptoms?
SciShow
7 Medicines That Come from Super Toxic Critters
Scorpion venom and insect poison sound really deadly, but scientists are increasingly turning them into medical treatments that save millions of lives. Chapters CAPTOPRIL 1:18 SOUTH AMERICAN PIT VIPER Credit: Renato Augusto Martins 1:33...
3Blue1Brown
Cross products: Essence of Linear Algebra - Part 10 of 15
The cross product is a way to multiple to vectors in 3d. This video shows how to visualize what it means.
SciShow
8 Incredible Things We Can Learn From Octopuses
Octopuses have tons of strange and amazing adaptations that help them live their best lives underwater. And those incredible traits could help us in many ways. Chapters View all 1 SUPER-STRONG SUCTION 1:29 2 HOW TO BUILD ADAPTABLE ROBOTS...
SciShow
Can You Rip a Phone Book in Half?
If you can find a phone book these days, science is here to help you rip it in half with your bare hands!
SciShow
3 Weird, Real Ways We Could Fix Icy Roads
Salting roads in the winter is pretty commonplace in areas of the world that see freezing temperatures, but it isn't the only solution.
TED Talks
TED: The world's oldest living things | Rachel Sussman
Rachel Sussman shows photographs of the world's oldest continuously living organisms -- from 2,000-year-old brain coral off Tobago's coast to an "underground forest" in South Africa that has lived since before the dawn of agriculture.
TED Talks
My journey mapping the uncharted world | Tawanda Kanhema
Significant pieces of the globe are literally not on the map: they're missing from the most widely used mapping platforms, like Google Street View, leaving communities neglected of vital services and humanitarian aid. In this...
TED Talks
TED: A realistic vision for world peace | Jody Williams
Nobel Peace laureate Jody Williams brings tough love to the dream of world peace, with her razor-sharp take on what "peace" really means, and a set of profound stories that zero in on the creative struggle -- and sacrifice -- of those...
SciShow
How Basic Psychology Can Save Kids’ Lives
Knowing a few things about human psychology can help us avoid some of the thousands of accidents that injure or kill children around the world every year.
Crash Course
Unsupervised Machine Learning - Crash Course Statistics
Today we're going to discuss how machine learning can be used to group and label information even if those labels don't exist. We'll explore two types of clustering used in Unsupervised Machine Learning: k-means and Hierarchical...
SciShow
3 Surprising Ways Animals Use Saliva
To humans, drool can seem pretty disgusting, but other animals use saliva in surprising ways. Here are some of the weirdest ways other animals use their spit to survive!
Curated Video
Is There Sound in Space?
Sound can't actually travel through a vacuum like space, but scientists have learned that there's still plenty to hear.
TED Talks
Mikko Hypponen: Fighting viruses, defending the net
It's been 25 years since the first PC virus (Brain A) hit the net, and what was once an annoyance has become a sophisticated tool for crime and espionage. Computer security expert Mikko Hyppönen tells us how we can stop these new viruses...
TED Talks
Courtney E. Martin: This isn't her mother's feminism
Blogger Courtney E. Martin examines the perennially loaded word "feminism" in this personal and heartfelt talk. She talks through the three essential paradoxes of her generation's quest to define the term for themselves.
Bozeman Science
Free Energy and the Equilibrium Constant
In this video Paul Andersen explains how thermodynamic and equilibrium reasoning can be related through changes in free energy and the equilibrium constant. When the delta G is negative the reaction shifts to the right or favors...
SciShow
There’s a Birth Control for Stars
Black holes are already pretty extreme, but some stand out among their peers, driving cosmic engines that outshines the rest of the galaxy and even serving as birth control for stars!
SciShow
Making a Realistic Simulation of the Sun
We’ve created simulations to recreate the difference in time it takes for the Sun’s equator and poles to complete rotations, and the way we’ve solved is a bit surprising. And it looks like the Milky Way may not be great at mixing metals,...
Crash Course Kids
Down to Earth
In this episode of Crash Course Kids, Sabrina talks about why things on the bottom of the Earth, don't just fall off into space. Plus... PENGUINS! This first series is based on 5th grade science. We're super excited and hope you enjoy...
SciShow
Why Can't Kids Just Take Smaller Doses of Adult Meds?
You might have noticed that lots of drugs have special children’s formulas, and you might think that’s because smaller people need smaller doses. But you’d be wrong! Because kids aren’t just tiny adults.
SciShow
Meet the Worlds Worst Carnivore the Kinkajou
When you think of a wild carnivore, you might imagine a lion felling a wildebeest, but let us introduce you to the kinkajou, a tree-dwelling creature that uses its adaptations to prey on… fruit, mostly.
PBS
Habitable Exoplanets Debunked!
When we say a planet is habitable, we aren't REALLY saying what we think we are saying. 'Habitable' means something else. Is Kepler 186f habitable, in the true sense of the word? And if not, what other planets should we be looking at?...