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Can Math Explain How Animals Get Their Patterns?

Adults Math
How Alan Turing's Reaction-Diffusion Model Simulates Patterns in Nature.

The Potato Paradox

Adults Math
The potato paradox is a mathematical calculation that has a counter-intuitive result.

Why can't you divide by zero? - TED-Ed

Adults Math
In the world of math, many strange results are possible when we change the rules. But there's one rule that most of us have been warned not to break: don't divide by zero.

Gyroscopic Precession

Adults Math
We have been collaborating on rotational motion, which is timely for some of the videos I've been doing lately.

String Theory Explained - What is The True Nature of Reality?

Adults Math
This video was funded by SNSF under Agora Grant n. 171622 and through the NCCR SwissMAP: The Mathematics of Physics.

The coin flip conundrum - Po-Shen Loh

Adults Math
When you flip a coin to make a decision, there's an equal chance of getting heads and tails.

Can you solve the dark coin riddle? - Lisa Winer

Adults Math
You heard the travelers' tales, you followed the maps, and now, you've finally located the dungeon containing a stash of ancient coins. The good news: the wizard who owns the castle has generously agreed to let you have the coins. The bad news: he's not quite as generous about letting you leave the dungeon ... unless you solve his puzzle. Can you solve it and get out alive? Lisa Winer shows how.

The Napkin Ring Problem

Adults Math
Do you ever come across a math problem that you know is right but no matter how hard you try, you can't wrap your mind around it?

A brief history of banned numbers - Alessandra King

Adults Math
They say the pen is mightier than the sword, and authorities have often agreed. From outlawed religious tracts and revolutionary manifestos to censored and burned books, we know the potential power of words to overturn the social order. But as strange as it may seem, some numbers have also been considered dangerous enough to ban. Alessandra King details the history behind illegal numbers.

Can you find the next number in this sequence? - Alex Gendler

Adults Math
1, 11, 21, 1211, 111221. These are the first five elements of a number sequence. Can you figure out what comes next? Alex Gendler reveals the answer and explains how beyond just being a neat puzzle, this type of sequence has practical applications as well.

Why underdogs do better in hockey than basketball

Adults Math
A statistical analysis of luck vs skill in sports.

Check your intuition: The birthday problem - David Knuffke

Adults Math
Imagine a group of people. How big do you think the group would have to be before there's more than a 50% chance that two people in the group have the same birthday? The answer is ... probably lower than you think. David Knuffke explains how the birthday problem exposes our often-poor intuition when it comes to probability.

Can you solve the three gods riddle? - Alex Gendler

Adults Math
You and your team have crash-landed on an ancient planet. Can you appease the three alien overlords who rule it and get your team safely home? Created by logician Raymond Smullyan, and popularized by his colleague George Boolos, this riddle has been called the hardest logic puzzle ever. Alex Gendler shows how to solve it.

Can you solve the virus riddle? - Lisa Winer

Adults Math
Your research team has found a prehistoric virus preserved in the permafrost and isolated it for study. After a late night working, you're just closing up the lab when a sudden earthquake hits and breaks all the sample vials. Will you be able to destroy the virus before the vents open and unleash a deadly airborne plague? Lisa Winer shows how.

How a 15-year-old solved a Rubik's Cube in 5.25 seconds

Adults Math
Rubik's Cube world record-holder Collin Burns tells us how he did it.

Why do people get so anxious about math? - Orly Rubinsten

Adults Math
Have you ever sat down to take a math test and immediately felt your heart beat faster and your palms start to sweat? This is called math anxiety, and if it happens to you, you're not alone: Researchers think about 20 percent of the population suffers from it. So what's going on? And can it be fixed? Orly Rubinsten explores the current research and suggests ways to increase math performance.

How the Meter Became the Meter

Adults Math
The meter is the world's ultimate measure, but how did it become "the" meter? What is this measurement based on? The story of this revolution in measurement traces its roots to the French Revolution. Scientists decided that an equal and united people should have equal and united measures. So they sent a pair of young astronomers out to measure the world, and invent the meter. Little did they know they'd find nothing but war, deception, and strife along the way. As a result of this ill-fated mission, the meter carries an error that still persists today. Still think the metric system is so perfect?