SciShow
7 Species That Were Saved From Extinction
Humans are pretty good at destroying things. Like habitats, animal populations... you catch my drift. But, there have been a few species that humans have helped bring back from the brink of extinction.
SciShow
4 Weird Unsolved Mysteries of Math
There are lots of unsolved mysteries in the world of math, and many of them start off with a deceptively simple premise, like: What's the biggest couch you can slide around a 90-degree corner? Hosted by: Michael Aranda
SciShow
10 Bizarre Ways to Avoid Being Dinner
If you’re a wild animal, you might spend your days actively trying to NOT become another animal's dinner. And some animals have come up with some pretty bizarre strategies to stay safe. Hosted by: Michael Aranda
PBS
Teenage Girls Experiencing Record High Levels Of Sadness, Violence And Trauma, CDC Says
In 2021, the CDC saw an increase in mental health challenges across the board, but it’s girls in the U.S. that are engulfed in a wave of sadness, violence, and trauma. Nearly three in five reported feeling persistent sadness and...
TED-Ed
TED-Ed: This one weird trick will get you infinite gold | Dan Finkel
A few years ago, the king decided your life would be forfeit unless you tripled the gold coins in his treasury. Fortunately, a strange little man appeared and magically performed the feat. Unfortunately, you promised him your first-born...
PBS
How This Year's Antiracism Protests Differ From Past Social Justice Movements
Philadelphia protests over the killing of Walter Wallace Jr. represent only
the latest in a year of nationwide demonstrations against racism and police
violence. The ongoing movement has captured attention and provided
political...
PBS
Thinking about math in terms of literacy - not levels
Algebra is a core subject for U.S. high school students. But should it be? Author Andrew Hacker believes we should reconsider how math is taught: only 5 percent of the American workforce actually uses math beyond arithmetic, though...
PBS
Bill Gates on where the COVID-19 pandemic will hurt the most
Microsoft co-founder Bill Gates has spent the last few decades working to improve global health through his philanthropic organization, the Bill & Melinda Gates Foundation. One area of focus has been reducing the spread of infectious...
PBS
What will it take to restore calm to the Ferguson community?
Sharp black-white divide on perceptions of Ferguson
PBS
Women are speaking up about sexual harassment. Is a sea change coming?
Women are breaking their silence about sexual harassment, with news
breaking daily about celebrities and public figures. When will it be safe
for women across the workforce to speak out? Judy Woodruff gets
perspectives from attorney...
PBS
Counting the benefits of teaching math to 3-year-olds
"In Boston public schools, 3, 4 and 5-year-olds are getting their first introduction to math. Before they walk through the kindergarten door, the "Building Blocks" curriculum is designed to encourage very young children to think and talk...
PBS
Tourism in Iceland is booming, but that may not be all good news
As war, terrorism and uncertainty pervade the globe, travelers are flocking to Iceland -- regarded as one of the safest nations on the planet. Fishing used to be the country's most profitable industry, but in recent years, tourism has...
3Blue1Brown
A quick trick for computing eigenvalues | Essence of linear algebra, chapter 15
A quick way to compute eigenvalues of a 2x2 matrix
3Blue1Brown
Abstract vector spaces | Essence of linear algebra, chapter 11
What is a vector space? Even though they are initial taught in the context of arrows in space, or with vectors being lists of numbers, the idea is much more general and far-reaching.
3Blue1Brown
Group theory, abstraction, and the 196,883-dimensional monster
An introduction to group theory, and the monster group.
3Blue1Brown
What's so special about Euler's number e? Essence of Calculus - Part 5 of 11
What is the derivative of a^x? Why is e^x its own derivative? This video shows how to think about the rule for differentiating exponential functions.
3Blue1Brown
Abstract vector spaces: Essence of Linear Algebra - Part 15 of 15
What is a vector space? Even though they are initial taught in the context of arrows in space, or with vectors being lists of numbers, the idea is much more general and far-reaching.
Crash Course Kids
Hunting for Properties
Remember pre-school? If not, IT WAS SO MUCH EASIER! But when you were stacking blocks and figuring out which block went into which shaped hole, you were learning about properties. In this episode of Crash Course Kids, Sabrina talks about...
3Blue1Brown
Derivatives of exponentials | Chapter 5, Essence of calculus
What is the derivative of a^x? Why is e^x its own derivative? This video shows how to think about the rule for differentiating exponential functions.
PBS
What are Numbers Made of?
In the physical world, many seemingly basic things turn out to be built from even more basic things. Molecules are made of atoms, atoms are made of protons, neutrons, and electrons. So what are numbers made of?
TED-Ed
TED-ED: Why do people fear the wrong things? - Gerd Gigerenzer
A new drug reduces the risk of heart attacks by 40%. Shark attacks are up by a factor of two. Drinking a liter of soda per day doubles your chance of developing cancer. These are all examples of a common way risk is presented in news...
3Blue1Brown
But what is a partial differential equation? | DE2
The heat equation, as an introductory PDE.
PBS
The Mathematics of Quantum Computers
What is the math behind quantum computers? And why are quantum computers so amazing? Find out on this episode of Infinite Series.