TED Talks
Conrad Wolfram: Teaching kids real math with computers
From rockets to stock markets, many of humanity's most thrilling creations are powered by math. So why do kids lose interest in it? Conrad Wolfram says the part of math we teach -- calculation by hand -- isn't just tedious, it's mostly...
PBS
How Big are All Infinities Combined? (Cantor's Paradox)
Infinities come in different sizes. There's a whole tower of progressively larger "sizes of infinity". So what's the right way to describe the size of the whole tower?
TED Talks
Phillip Atiba Goff: How we can make racism a solvable problem -- and improve policing
When we define racism as behaviors instead of feelings, we can measure it -- and transform it from an impossible problem into a solvable one, says justice scientist Phillip Atiba Goff. In an actionable talk, he shares his work at the...
TED Talks
How a geospatial nervous system could help us design a better future | Jack Dangermond
What if we could better understand the world's biggest challenges simply by looking at a map? Jack Dangermond, a pioneer in geographic information system (GIS) technology that powers the digital maps people around the world use every...
Crash Course Kids
Try Trials
We've talked about variables and solving problems. But how do we keep working on a problem if the first solution doesn't fix it? Trials! In this episode of Crash Course Kids, Sabrina shows us how to use Trials to figure out what the...
SciShow
Why Peeing in the Pool Could Be Dangerous | Disinfection By-Products
It’s kind of a pain to get out of the pool just to use the bathroom, plus chlorine is a disinfectant so it is fine to pee in the pool, right? Well, it turns out that might give you some health issues.
MinuteEarth
We're Oversalting Our Food, And It's Not What You Think
Want to learn more about the topic in this week's video? Here are some keywords/phrases to get your googling started: soil salinity - when soils have high salt levels that have adverse effects on plants
TED Talks
TED: How we look kilometers below the Antarctic ice sheet | Dustin Schroeder
Antarctica is a vast and dynamic place, but radar technologies -- from World War II-era film to state-of-the-art miniaturized sensors -- are enabling scientists to observe and understand changes beneath the continent's ice in...
TED-Ed
TED-Ed: The mystery of motion sickness - Rose Eveleth
Although one third of the population suffers from motion sickness, scientists aren't exactly sure what causes it. Like the common cold, it's a seemingly simple problem that's still without a cure. And if you think it's bad on a long...
TED Talks
TED: The biggest risks facing cities -- and some solutions | Robert Muggah
With fantastic new maps that show interactive, visual representations of urban fragility, Robert Muggah articulates an ancient but resurging idea: cities shouldn't just be the center of economics -- they should also be the foundation of...
3Blue1Brown
Implicit differentiation, what's going on here? | Chapter 6, Essence of calculus
How to think about implicit differentiation in terms of functions with multiple inputs, and tiny nudges to those inputs.
TED Talks
TED: 3 reasons why we can win the fight against poverty | Andrew Youn
Half of the world's poorest people have something in common: they're small farmers. In this eye-opening talk, activist Andrew Youn shows how his group, One Acre Fund, is helping these farmers lift themselves out of poverty by delivering...
3Blue1Brown
The three utilities puzzle with math/science YouTubers
A classic puzzle in graph theory, the "Utilities problem", a description of why it is unsolvable on a plane, and how it becomes solvable on surfaces with a different topology.
3Blue1Brown
Binary, Hanoi and Sierpinski, part 1
How couting in binary can solve the famous tower's of hanoi problem.
3Blue1Brown
The hardest problem on the hardest test
A geometry/probability question on the Putnam, a famously hard test, about a random tetrahedron in a sphere. This offers an opportunity not just for a lesson about the problem, but about problem-solving tactics in general.
TED-Ed
TED-Ed: Da Vinci's Vitruvian Man of math - James Earle
What's so special about Leonard da Vinci's Vitruvian Man? With arms outstretched, the man fills the irreconcilable spaces of a circle and a square -- symbolizing the Renaissance-era belief in the mutable nature of humankind. James Earle...
TED Talks
Margaret Heffernan: Forget the pecking order at work
Organizations are often run according to "the superchicken model," where the value is placed on star employees who outperform others. And yet, this isn't what drives the most high-achieving teams. Business leader Margaret Heffernan...
3Blue1Brown
The hardest problem on the hardest test
A geometry/probability question on the Putnam, a famously hard test, about a random tetrahedron in a sphere. This offers an opportunity not just for a lesson about the problem, but about problem-solving tactics in general.
Bozeman Science
Calculating the Gravitational Force
In this video Paul Andersen explains why astronauts are weightless. He also explains how Newton's Universal Law of Gravitation can be used to calculate the gravitational force between objects.
TED Talks
TED: Your words may predict your future mental health | Mariano Sigman
Can the way you speak and write today predict your future mental state, even the onset of psychosis? In this fascinating talk, neuroscientist Mariano Sigman reflects on ancient Greece and the origins of introspection to investigate how...
TED-Ed
TED-Ed: The Resistance | Think Like A Coder, Ep 2 | Alex Rosenthal
This is episode 2 of our animated series "Think Like A Coder." This 10-episode narrative follows a girl, Ethic, and her robot companion, Hedge, as they attempt to save the world. The two embark on a quest to collect three artifacts and...
TED-Ed
TED-Ed: Rusha Modi: What causes heartburn?
Humans have been battling heartburn for hundreds, if not thousands, of years. But recently the incidence has risen, making it a common complaint worldwide. What causes this problem, and how can it be stopped? Rusha Modi details the...
SciShow
Why Is the Perfect Shower Temperature So Hard To Find?
Somewhere between "boiling lava" and "the surface of Pluto" is the perfect shower temperature, but why is it so elusive?
SciShow
How Computers Revolutionized Space Travel
As computers have gotten more powerful, they’ve completely transformed how we explore the solar system. And along the way, the space industry has given computer science a boost too.