SciShow
Mystery Solved: We Finally Know Why Betelgeuse Suddenly Faded | SciShow News
Our neighboring star Betelgeuse got noticeably dimmer a few months ago, and thanks to the Hubble telescope, we recently figured out what was going on. Also, the Arecibo Observatory in Puerto Rico suffered some damage this week.
TED Talks
TED: On being wrong | Kathryn Schulz
Most of us will do anything to avoid being wrong. But what if we're wrong about that? "Wrongologist" Kathryn Schulz makes a compelling case for not just admitting but embracing our fallibility.
TED-Ed
TED-ED: The invisible motion of still objects - Ran Tivony
Many of the inanimate objects around you probably seem perfectly still. But look deep into the atomic structure of any of them, and you'll see a world in constant flux - with stretching, contracting, springing, jittering, drifting atoms...
Bozeman Science
Statistics for Science
Paul Andersen introduces science for the science classroom. He starts with a brief description of Big Data and why it is important that we prepare future scientists to deal intelligently with large amounts of data. He explains the...
SciShow
Great Minds: Tycho Brahe, the Astronomer With a Pet Elk
In the late 16th century, Tycho Brahe built an observatory on an island and collecting some of the most accurate data ever. He also lost his nose in a duel with a classmate -- over who was the better mathematician.
Crash Course
The Scientific Revolution: Crash Course History of Science
So, what exactly is a scientific revolution? And are they more than just moments in time Historians use to mark the beginning and ending of things through time? In this episode we'll look into some ideas and people named Nick and how...
Bozeman Science
Electrochemical Gradient
In this video Paul Andersen explains how the electrochemical gradient is a combination of the chemical and electrical gradient of ions. As ions move across a membrane the potential change creates a hidden force that isn't always apparent.
TED Talks
Jakob Trollback: A new kind of music video
What would a music video look like if it were directed by the music, purely as an expression of a great song, rather than driven by a filmmaker's concept? Designer Jakob Trollback shares the results of his experiment in the form.
TED-Ed
TED-ED: Eli the eel: A mysterious migration - James Prosek
They're slippery. They're slithery. And while they totally look like underwater snakes, eels are, in fact, unique fish that can breathe through their skin and even survive out of water. James Prosek tracks the life journey of Eli the...
TED Talks
TED: Rethink the desktop with BumpTop | Anand Agarawala
Anand Agarawala presents BumpTop, a user interface that takes the usual desktop metaphor to a glorious, 3-D extreme, transforming file navigation into a freewheeling playground of crumpled documents and clipping-covered "walls."
SciShow
Why Up Matters to Your Brain
Gravity may be doing a lot more than just keeping us planted on the Earth. Scientists are learning that it’s also a key player in how we perceive things.
SciShow
8 Useful Technologies Inspired by Nature
We're pretty good at inventing things, but stealing from nature is a great way to solve some problems!
PBS
What is a Random Walk?
To understand finance, search algorithms and even evolution you need to understand Random Walks.
Crash Course
Reinforcement Learning
Reinforcement learning is particularly useful in situations where we want to train AIs to have certain skills we don’t fully understand ourselves. Unlike some of the techniques we’ve discussed so far, reinforcement learning generally...
TED Talks
Péter Fankhauser: Meet Rezero, the dancing ballbot
Engineering student Péter Fankhauser demonstrates Rezero, a robot that balances on a ball. Designed and built by students, Rezero is the first ballbot made to move quickly and gracefully -- and even dance. (Could the Star Wars sphere...
TED Talks
Boaz Almog: The levitating superconductor
How can a super-thin 3-inch disk levitate something 70,000 times its own weight? In a riveting demonstration, Boaz Almog shows how a phenomenon known as quantum locking allows a superconductor disk to float over a magnetic rail --...
SciShow
How Plants Attract Bodyguards
Lots of plants make nectar to attract pollinators, but some make special, extra nectar pots outside their flowers to feed their bodyguards.
Bozeman Science
Electric Field of Parallel Plates
In this video Paul Andersen explains how the electric field between oppositely and equally charged plates is uniform as long as you are far from the edge. The strength of the electric field can be determined by either the charge of the...
Bozeman Science
Concept 6 - Structure and Function
Paul Andersen explains how the structure of objects are related to their function and vice versa. He begins with a quick quiz on bicycle construction and ends with a progression of teaching for students grades K-12. He also explains how...
TED-Ed
TED-Ed: How did they build the Great Pyramid of Giza? | Soraya Field Fiorio
As soon as Pharaoh Khufu ascended the throne circa 2575 BCE, work on his eternal resting place began. The structure's architect, Hemiunu, determined he would need 20 years to finish the royal tomb. But what he could not predict was that...
SciShow
Trouble in Bed: When Sleep Turns Against Us
Having trouble sleeping? In this episode of SciShow, Hank explores different kinds of sleep disorders, from insomnia to apnea to sleepwalking. Chapters View all PRIMARY INSOMNIA NO OTHER HEALTH ISSUES 1:49 ACUTE INSOMNIA 2:01...
SciShow Kids
Happy Birthday, Sir Isaac Newton!
There's a birthday party at the fort, for one of history's most important scientists, Isaac Newton!
TED Talks
Julian Treasure: The 4 ways sound affects us
Playing sound effects both pleasant and awful, Julian Treasure shows how sound affects us in four significant ways. Listen carefully for a shocking fact about noisy open-plan offices.