3Blue1Brown
Understanding e to the pi i
The enigmatic equation e^{pi i} = -1 is usually explained using Taylor's formula during a calculus class. This video offers a different perspective, which involves thinking about numbers as actions, and about e^x as something which turns...
TED Talks
TED: How ethics can help you make better decisions | Michael Schur
What would Immanuel Kant say about a fender bender? In a surprisingly funny trip through the teachings of some of history's great philosophers, TV writer and producer Michael Schur (from hit shows like "The Office" and "The Good Place")...
SciShow
The New Superbug!
A new strain of the E. coli bacteria seems to have become resistant to most antibiotics. Let’s talk about how this possibly happened.
3Blue1Brown
Who cares about topology? (Inscribed rectangle problem)
This is an absolutely beautiful piece of math. It shows how certain ideas from topology, such as the mobius strip, can be used to solve a slightly softer form of an unsolved problem in geometry.
TED Talks
TED: How we can use light to see deep inside our bodies and brains | Mary Lou Jepsen
In a series of mind-bending demos, inventor Mary Lou Jepsen shows how we can use red light to see and potentially stimulate what's inside our bodies and brains. Taking us to the edge of optical physics, Jepsen unveils new technologies...
3Blue1Brown
Who cares about topology? (Inscribed rectangle problem): Topology - Part 1 of 3
This is an absolutely beautiful piece of math. It shows how certain ideas from topology, such as the mobius strip, can be used to solve a slightly softer form of an unsolved problem in geometry.
SciShow
Why People Are Sending Themselves Hate Messages
You might be familiar with the concept of self-harm, but it isn’t just physical. As it turns out, people can harm themselves through the anonymity of the internet.
SciShow
The Science Behind Football's First-Down Line
If you’ve watch American football on television, you may have wondered how they make that yellow first down line look like it’s actually down on the field.
TED Talks
TED: 5 transformational policies for a prosperous and sustainable world | Johan Rockstrom
In a talk about how we can build a robust future without wrecking the planet, sustainability expert Johan Rockstrom debuts the Earth3 model -- a new methodology that combines the UN Sustainable Development Goals with the nine planetary...
TED Talks
Margaret Wertheim: The beautiful math of coral
Margaret Wertheim leads a project to re-create the creatures of the coral reefs using a crochet technique invented by a mathematician -- celebrating the amazements of the reef, and deep-diving into the hyperbolic geometry underlying...
3Blue1Brown
Cross products in the light of linear transformations: Essence of Linear Algebra - Part 11 of 15
The formula for the cross product can feel like a mystery, or some kind of crazy coincidence. But it isn't. There is a fundamental connection between the cross product and determinants.
TED-Ed
TED-Ed: Why isn’t the Netherlands underwater?
In January 1953, a tidal surge shook the North Sea. The titanic waves flooded the Dutch coastline, killing almost 2,000 people. 54 years later, a similar storm threatened the region. But this time, they were ready. This was thanks to a...
SciShow
How You Affect Other People’s Brain Waves - Inter-Brain Connections
Scientists know that things like people’s heart rates, breathing, and even footfalls tend to line up when they’re doing things together, but we're learning that even the electrical activity in your brain can sync up too!
TED Talks
TED: An architect's subversive reimagining of the US-Mexico border wall | Ronald Rael
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. What is a border? It's a line on a map, a place where cultures mix and merge in beautiful, sometimes violent and...
MinutePhysics
Why December Has The Longest Days
December has the longest solar days (noon-to-noon) because of the weird way a combination of the axial tilt of the earth and the eccentricity of its elliptical orbit conspire in December. Perihelion + Solstices = Long Days.
TED Talks
TED: The shocking move to criminalize nonviolent protest | Will Potter
In 2002, investigative journalist and TED Fellow Will Potter took a break from his regular beat, writing about shootings and murders for the Chicago Tribune. He went to help a local group campaigning against animal testing: "I thought it...
TED-Ed
TED-ED: Can you solve the buried treasure riddle? - Daniel Griller
After a massive storm tears through the Hex Archipelago, you find five grizzled survivors in the water. As an act of gratitude for saving them, they reveal a secret _ the island they were just on holds some buried treasure. But when the...
3Blue1Brown
Tattoos on Math
After a friend of mine got a tattoo with a representation of the cosecant function, it got me thinking about how there's another sense in which this function is a tattoo on math, so to speak.
3Blue1Brown
A Curious Pattern Indeed
Moser's circle problem. What is this pattern: 1, 2, 4, 8, 16, 31,...
TED Talks
Jane Fonda: Why I protest for climate justice
At age 81, actor and activist Jane Fonda is putting herself on the line for the planet -- literally. In a video interview with TEDWomen curator Pat Mitchell, Fonda speaks about getting arrested multiple times during Fire Drill Fridays,...
Crash Course
How Does the Earth Move Crash Course Geography
Today, we're going to talk about how the Earth moves, but to do that, we're going to have to go way back to the early days of the galaxy! Processes that happened before the Earth even formed have led us to the geographic patterns and...
3Blue1Brown
Why is pi here? And why is it squared? A geometric answer to the Basel problem
A beautiful solution to the Basel Problem (1+1/4+1/9+1/16+...) using Euclidian geometry. Unlike many more common proofs, this one makes it very clear why pi is involved in the answer.
SciShow
How the Movement of Other Planets Affects Earth — Yes, Really
Scientists have found at least three cycles in nature that can be traced back to the alignment of the planets. And while they won’t tell you anything about your love life or personality, by studying them, we can learn about our planet’s...