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TED Talks
TED: The mighty power and flavor of plants | Derek Sarno
Vegan chef (and head chef of TED Countdown Summit) Derek Sarno is on a mission to unleash the mighty power of plants, creating nutritious food from mushrooms and vegetables that's full of texture and flavor -- and good for the planet. He...
Crash Course Kids
Following the Sun
Have you ever wondered why your shadow is longer sometimes and shorter others? It turns out it all has to do with that marvelous big ball of light in the sky; The Sun! This first series is based on 5th grade science. We're super excited...
Crash Course
Nostrils, Harmony with the Universe, and Ancient Sanskrit Theater: Crash Course Theater #7
Ancient Sanskrit theater is one of the oldest theater traditions, and thanks to Bharata Muni and his treatise on theater, the Natyashastra, we can tell you quite a bit about it, all the way down to eyebrow and nostril poses. This week...
Crash Course
Eugenics and Francis Galton: Crash Course History of Science
After Darwin blew the doors off the scientific community, a lot of people did some weird and unscientific stuff with his ideas. Francis Galton and a few others decided natural selection could be used to make the human race "better" and...
Crash Course
Biology Before Darwin: Crash Course History of Science
You’ve probably heard of Charles Darwin, but before we get to him, you really need to understand how different people, throughout the seventeenth and eighteenth centuries, tried to answer the same question: “what is life?”
Crash Course
Great Goddesses: Crash Course World Mythology
Great Goddesses: Crash Course World Mythology #13
Bozeman Science
Covalent Bonding
In this video Paul Andersen explains how covalent bonds form between atoms that are sharing electrons. Atoms that have the same electronegativity create nonpolar covalent bonds. The bond energy and bond length can be determined by...
SciShow
5 Periodic Tables We Don't Use (And One We Do)
From Mendeleev’s original design to physicist-favorite “left-step” rendition, the periodic table of elements has gone through many iterations since it was first used to organize elements 150 years ago - each with its own useful insights...
Be Smart
Why Vaccines Work
As more and more parents are choosing not to vaccinate their children or are vaccinating them later, diseases like measles are making a comeback. Are vaccines safe? How do vaccines work? Why do some people claim there is a link between...
PBS
What Was the Ancestor of Everything?
The search for our origins go back to a single common ancestor -- one that remains shrouded in mystery. It's the ancestor of everything we know and today scientists call it the last universal common ancestor, or LUCA.
Bozeman Science
Practice 5 - Using Mathematics and Computational Thinking
Paul Andersen explains how mathematics and computational thinking can be used by scientists to represent variables and by engineers to improve design. He starts by explaining how mathematics is at the root of all sciences. He then...
TED Talks
TED: A tailored history of who wears what -- and why | Richard Thompson Ford
From puffy trousers to pantsuits and everything in between, law professor and author Richard Thompson Ford takes us on a fascinating tour through the history of fashion and the evolution of dress codes that still influence style today,...
SciShow
Where Should I Put My Wi-Fi Router
If you want to improve your wireless internet signal, we've got a few things to keep in mind.
TED-Ed
TED-Ed: How fast is the speed of thought? | Seena Mathew
Your mortal enemy has captured you and hooked you up to a bizarre experiment. He's extended your nervous system with one very long neuron to a target about 70 meters away. At some point, he's going to fire an arrow. If you can then think...
TED-Ed
How do personality tests work? | Merve Emre
In 1942, a mother-daughter duo named Katharine Cook Briggs and Isabel Briggs Myers developed a questionnaire that classified people's personalities into 16 types. Called the Myers-Briggs Type Indicator, or MBTI, it would go on to become...
Bozeman Science
Resistivity
In this video Paul Andersen explains how the resistivity of a material opposes the flow of charge. Conductors (like metal) will have a low resistivity and insulators will have a high resistivity. Semiconductors will have a moderate...
SciShow
A New Origin Story for Mars’s Moons
New research is changing our ideas about the history of Mars's moons and we might have found the most active region of space.
Bozeman Science
Quantum Mechanical Model
In this video Paul Andersen explains how the quantum mechanical model of the atom refined the shell model. Uncertainty of the position of the electron as well as spin forces chemists to create an improved model. In this model the...
Healthcare Triage
Healthcare in Germany
The last international health care system we covered - Singapore - got a great response from all of you. This week. We head back to Europe. Specifically, we're going to Germany. Their universal health care system is based on the...
Mr. Beat
Can You Fire Someone For Being Transgender? | Bostock v. Clayton County
In episode 81 of Supreme Court Briefs, a man gets fired for being gay. He fights back alright.
Bizarre Beasts
Why Are These Fish Walking?
Welcome back to the second episode of our new format for Bizarre Beasts, which we're calling Season Zero. Over the next year, we will be remastering episodes of Bizarre Beasts that were originally created for Vlogbrothers.
Curated Video
France Socializing
Corporate entertainment revolves more around lunches and dinners in restaurants than around golf and parties. Outside Paris, where relationships are less protected, socializing after work may take place in people’s homes. The French take...
Curated Video
What is Culture?
Culture is, in essence, a shared set of attitudes, beliefs, values, mind-sets, and practices of a group of people. Culture includes behavior patterns and norms of that group—the rules, the assumptions, the perceptions, and the logic and...
Curated Video
Japan Absence of Personal Style
One major difference between Japanese and Western companies is that in Japan, no one person is usually identified as the personality or power behind a company’s policy or business strategy. Instead, ideas and strategies usually are...