TED-Ed
TED-Ed: The life cycle of a pair of jeans | Madhavi Venkatesan
The first pairs of jeans were designed for durability; denim was constructed as a sturdy weave worn by sailors and miners. But over the course of the 20th century, as the demand for jeans has gone up, their durability has gone down....
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.
SciShow
Humanity's New Cousin & An Ancient Giant Virus
SciShow News shares two amazing things from the deep past that have been discovered: a new ancient human relative, and a 30,000-year-old giant virus.
SciShow
Why Are Some World Records So Hard to Break
Why are some athletes able to crush world records when other records remain unbroken for years? The answer has to do with the kind of materials used in the competition and the type of athletic event one is competing in. Hank Green...
Crash Course
What Is God Like?: Crash Course Philosophy
Today we are moving on from the existence of God to look at the philosophical debate surrounding the traditional divine attributes - omnipotence, omniscience, omnitemporality, and omnibenevolence. We are exploring the puzzles that these...
SciShow
Solving Mysteries with the Ancient Galaxies Next Door - SciShow News
Some of the oldest galaxies we’ve ever seen are small, faint satellite galaxies orbiting the Milky Way, and they're providing us with a glimpse of how the universe evolved.
TED Talks
TED: The mind behind Linux | Linus Torvalds
Linus Torvalds transformed technology twice -- first with the Linux kernel, which helps power the Internet, and again with Git, the source code management system used by developers worldwide. In a rare interview with TED Curator Chris...
3Blue1Brown
The most unexpected answer to a counting puzzle
A puzzle involving colliding blocks where the number pi, vey unexpectedly, shows up.
SciShow
Finally, a Drug That Helps With the Worst COVID-19 Infections
A bit of good news on the COVID-19 front this week: New research reveals a drug that might actually help save severely ill patients, and data suggests that distancing policies may have saved millions of lives over the last few months.
TED Talks
TED: A small country with big ideas to get rid of fossil fuels | Monica Araya
How do we build a society without fossil fuels? using her native Costa Rica as an example of positive action on environmental protection and renewables, climate advocate Monica Araya outlines a bold vision for a world committed to clean...
TED Talks
TED: A highly scientific taxonomy of haters | Negin Farsad
TeD Fellow Negin Farsad weaves comedy and social commentary to cleverly undercut stereotypes of her culture. In this uproarious talk/stand-up hybrid, Farsad speaks on her documentary, The Muslims Are Coming!, narrates her fight with 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.
TED Talks
Sal Khan: Let's use video to reinvent education
Salman Khan talks about how and why he created the remarkable Khan Academy, a carefully structured series of educational videos offering complete curricula in math and, now, other subjects. He shows the power of interactive exercises,...
TED Talks
Rob Knight: How our microbes make us who we are
Rob Knight is a pioneer in studying human microbes, the community of tiny single-cell organisms living inside our bodies that have a huge — and largely unexplored — role in our health. “The three pounds of microbes that you carry around...
SciShow
Sex Research: SciShow Talk Show
This week on SciShow Talk Show, Dr. Lindsey Doe sexplains to Hank some of the difficulties in conducting sex research and discusses the past leaders of the field. Later, Jessi from Animal Wonders drops by with Stumpy the Dumpy Tree Frog.
PBS
Supervoids vs Colliding Universes!
If you study a map of the Cosmic Microwave Background, or CMB, you may notice a large, deep blue splotch on the lower right. This area, creatively named the Cold Spot. Is this feature a statistical fluke, the signature of vast...
PBS
Do Knock-Offs Prove the Value of a Brand?
We're willing to pay hundreds or thousands more for a specific brand name item, but sometimes it can be tempting to go the way of the knock-off for a fraction of the price. The counterfeit industry is huge and isn't going anywhere, and...
SciShow
If the Sun Became a Black Hole Would Earth Fall In
If our sun turned into a black hole, you might think our solar system would be doomed, but in reality that's just not how black holes work.
TED Talks
Barbara J. King: Grief and love in the animal kingdom
From mourning orcas to distressed elephants, biological anthropologist Barbara J. King has witnessed grief and love across the animal kingdom. In this eye-opening talk, she explains the evidence behind her belief that many animals...
TED-Ed
TED-Ed: Making a TED-Ed Lesson: Visualizing complex ideas
How can animation convey complex, intangible concepts? A visual metaphor, or an idea represented through imagery, can take an idea as massive as Big Data and tie it to the familiar depiction of a growing tree. TED-Ed animators explain...
TED Talks
TED: Why having fun is the secret to a healthier life | Catherine Price
Have you had your daily dose of fun? It's not just enjoyable, it's also essential for your health and happiness, says science journalist Catherine Price. She proposes a new definition of fun -- what she calls "true fun" -- and shares...
PBS
The Race to a Habitable Exoplanet - Time Warp Challenge
You've discovered a habitable exoplanet, but so has an an evil interplanetary mining corporation. Can you get to the planet before they strip it bare and leave it unsuitable for life? You're going to need a ship, the Lorentz...
TED Talks
TED: The revolutionary power of diverse thought | elif Shafak
From populist demagogues, we will learn the indispensability of democracy, says novelist elif Shafak. "From isolationists, we will learn the need for global solidarity. And from tribalists, we will learn the beauty of cosmopolitanism." A...