PBS
Voting Systems and the Condorcet Paradox
What is the best voting system? Voting seems relatively straightforward, yet four of the most widely used voting systems can produce four completely different winners.
MinutePhysics
Why It's Impossible to Tune a Piano
Pianos can't be perfectly tuned - it's a mathematical fact!
MinutePhysics
TOP 10 REASONS Why We Know the Earth is Round
TOP 10 REASONS Why We Know the Earth is Round
MinutePhysics
Is There Poop on the Moon ft. SmarterEveryDay
What else did we leave on the moon? Smarter Every Day explains
MinutePhysics
Is the Universe Entirely Mathematical feat. Max Tegmark
Is the Universe Entirely Mathematical feat. Max Tegmark
MinutePhysics
Theory of Everything - What is Matter?
What is matter, anyway? What does it have to do with math? And why aren't you made of Jesus? Delving deeper into the theory of (almost) everything - the Standard Model of particle physics.
MinuteEarth
How Fighting Wildfires Makes Them Worse
Today's wildfires burn, on average, twice the amount of land they did in 1970. The reason? We've been working too hard to put them out. Want to learn more about the topic in this week's video? Here's a keyword/phrase to get your googling...
Bozeman Science
The Hierarchy of Life
Paul Andersen explains how biology is ordered in the hierarchy of life. He first of all describes how emergent properties appear as you move to more inclusive systems. The then describes life at the following levels; atom, molecule,...
TED Talks
The Future of American Democracy After a Trump Assassination Attempt
Following an assassination attempt on Donald Trump at a campaign rally, president and founder of Eurasia Group and GZERO Media Ian Bremmer joins TED’s Helen Walters to discuss the broader implications for American politics. They explore...
TED-Ed
TED-Ed: Does math have a major flaw? | Jacqueline Doan and Alex Kazachek
A mathematician with a knife and ball begins slicing and distributing the ball into an infinite number of boxes. She then recombines the parts into five precise sections. Moving and rotating these sections around, she recombines them to...
TED-Ed
TED-Ed: How do doctors determine what stage of cancer you have? | Hyunsoo Joshua No and Trudy Wu
Each year, approximately 20 million people receive a cancer diagnosis. At that time, a patient usually learns their cancer’s stage, which is typically a number ranging from one to four. While staging is designed, in part, to help...
TED Talks
TED: Why US politics is broken — and how to fix it | Andrew Yang
The electoral system in the United States needs a redesign, says political reformer Andrew Yang. Exposing the flaws of a system built on poor incentives, he proposes a cost-effective overhaul inspired by primary elections already working...
TED Talks
TED: Can AI catch criminals at sea? | Dyhia Belhabib
Can AI help catch oceanic outlaws? From drug smugglers to modern-day pirates, maritime crime fighter Dyhia Belhabib introduces Heva: an AI-powered tool that aggregates international criminal records to detect and stop crime that might...
SciShow
Why Does Everything Decay Into Lead
If you look at a copy of the periodic table, you might notice that basically every element after lead is labelled as radioactive. And the vast majority of those elements wind up decaying into some version of lead eventually. But why is...
SciShow
How to Move a Mountain
Almost 50 million years ago, the biggest landslide in Earth's history occurred in Wyoming. An entire mountain slid 45 kilometers at one-third the speed of sound. But how could this happen when the slope was only 2 degrees?
SciShow
Why the Hardest Rocks Can Be Easy to Break
So, rocks are hard. But the scale we use to rank them, the Mohs scale, is only really good at quantifying that for one kind of hardness, and topaz is a perfect stone to talk about to explain that. And you can check it out in our SciShow...
SciShow
Room Temperature Is A Lie
An entire field of science is dedicated to identifying the perfect indoor temperature. And it's a lot more complicated than simply setting the thermostat to 21 degrees Celsius (70 degrees Fahrenheit).
SciShow
Can an Equation Really Tell Us How Many Aliens Exist?
In 1961, the astronomer Frank Drake wrote down what is now known as the Drake Equation. It's so important to the culture surrounding the search for extraterrestrial life that scientists have carved it into the upcoming Europa Clipper...
TED Talks
TED: Meet mini-grids — the clean energy solution bringing power to millions | Tombo Banda
Hundreds of millions of people lack access to electricity in Sub-Saharan Africa, relying on highly polluting diesel and firewood for power and light. Working to brighten the future in her home country of Malawi and beyond, energy access...
SciShow
Relative Humidity Isn't What You Think It Is
Have you ever wondered why 75% humidity in the summer feels sticky, but 75% humidity in the winter feels super dry? Turns out, the common definition of humidity is inconvenient and confusing. But there is a better way!
SciShow
The Infamous, Brain-Bending Birthday Problem
There's a rather famous problem in math of probability called the Birthday Paradox. Let's get into how it works, and how creative uses of this hypothetical problem have real-world applications!