SciShow
We're Getting Closer to Real-Life Tricorders
Many of us have longed for cool sci-fi inventions like a holodeck or replicators, but there's one tool we're actually getting pretty darn close to creating: the medical tricorder.
Amoeba Sisters
Ecological Relationships
Explore several ecological relationships with The Amoeba Sisters! Ecological relationships discussed include predation, competition, and symbiotic relationships (parasitism, mutualism, and commensalism). Table of Contents: Intro 00:00...
Crash Course
Ecology - Rules for Living on Earth: Crash Course Biology
Hank introduces us to ecology - the study of the rules of engagement for all of us earthlings - which seeks to explain why the world looks and acts the way it does. The world is crammed with things, both animate and not, that have been...
TED Talks
TED: The surprising spread of Idol TV | Cynthia Schneider
Cynthia Schneider looks at two international "American Idol"-style shows -- one in Afghanistan, and one in the United Arab Emirates -- and shows the surprising effect that these reality-TV competitions are creating in their societies.
SciShow
Game Theory: The Science of Decision-Making
With up to ten years in prison at stake, will Wanda rat Fred out? Game theory is looking at human interactions through the lens of mathematics.
SciShow
The 3 Coolest Things Built By Birds
There are a number of bird species that construct pretty cool things - today on SciShow, we'll visit with three of them...
SciShow
SciShow Talk Show: More about Animal Weapons with Doug Emlen & Professor Claw the Emperor Scorpion
Doug Emlen returns to SciShow to talk about the parallels between arms races in animals and arms races in humans. Then Jessi joins the show to show off an animal with it's own set of weapons.
TED-Ed
TED-Ed: Why do competitors open their stores next to one another? - Jac de Haan
Why are all the gas stations, cafes and restaurants in one crowded spot? As two competitive cousins vie for ice-cream-selling domination on one small beach, discover how game theory and the Nash Equilibrium inform these retail hotspots.
MinuteEarth
The Freshwater Paradox
Even though less than 1% of Earth's water is freshwater, it's the home for 50% of fish species. This is the Freshwater Paradox.
MinuteEarth
Bitcoin mining is a lot like reindeer mating 🪙💖🦌
Bitcoin and other blockchain technologies, like NFTs, work a lot like reindeer mating.
TED Talks
David Rockwell: A memorial at Ground Zero
In this emotionally charged conversation with journalist Kurt Andersen, designer David Rockwell discusses the process of building a viewing platform at Ground Zero shortly after 9/11.
TED Talks
Peter Diamandis: Our next giant leap
Peter Diamandis says it's our moral imperative to keep exploring space -- and he talks about how, with the X Prize and other incentives, we're going to do just that.
SciShow
Why Invasive Tadpoles Turned Cannibal | SciShow News
Cane toads will eat just about anything, including each other! And researchers have reported a different way to help those with ALS continue to communicate their needs after losing the ability to move and speak.
SciShow
When Athletes Dope ... & Einstein FTW
This week's SciShow news has Hank bringing us a primer on the science behind various illegal and illicit ways in which athletes "improve" their bodies, proof of general relativity that we can actually see, and a new way to measure how...
Crash Course
The Industrial Economy Crash Course US History
In which John Green teaches you about the Industrial Economy that arose in the United States after the Civil War. You know how when you're studying history, and you're reading along and everything seems safely in the past, and then BOOM...
TED Talks
Moshe Safdie: Building uniqueness
Looking back over his long career, architect Moshe Safdie delves into four of his design projects and explains how he labored to make each one truly unique for its site and its users.
SciShow
Do "Game Faces" Really Work in Sports?
When it's time to play in the big game against your fiercest rivals, you might put on your "game face." But how much does this expression affect your opponents? And might you also be affecting yourself?
Bozeman Science
Niche
Paul Andersen explains the niche. He gives three different pronunciations and two different definitions. He then discusses the competitive exclusion principle and the idea that a niche cannot be shared by two species.
Crash Course
Economic Systems the Labor Market Crash Course Sociology
This week we’ll see how economies can be broken down into the primary, secondary, and tertiary sectors. We’ll look at the three stages of economic revolution that brought us to the modern post-industrial era. We’ll also explore two types...
SciShow
How Did North America End Up With a Marsupial?
Both North and South America have their own species of marsupial, the opossum, but how they got so far away from their Australian relatives is a bit of a mystery.
SciShow
The Physics of "Punkin Chunkin"
"Punkin Chunkin" is the United State's annual contest to see whose homemade machine can hurl a pumpkin the farthest (without explosives!). Every November, thousands of amateur engineers converge on a farm in Delaware to put their...
TED Talks
Jennifer Granholm: A clean energy proposal -- race to the top!
Kicking off the TED2013 conference, Jennifer Granholm asks a very American question with worldwide implications: How do we make more jobs? Her big idea: Invest in new alternative energy sources. And her big challenge: Can it be done with...
Crash Course
The Evolutionary Epic: Crash Course Big History
In which John Green, Hank Green, and Emily Graslie teach you about evolution. So, in the last 3.8 billion years, life on Earth has evolved from single-celled prokaryotes to the dizzying array of life we have today. So how did all this...
SciShow
The Next X Prize: Artificial Intelligence!
Hank takes you to the next frontier of innovation: the XPrize for Artificial Intelligence, talking about how true AI can be measured, and what the future might look like.