TED Talks
TED: How to read the genome and build a human being | Riccardo Sabatini
Secrets, disease and beauty are all written in the human genome, the complete set of genetic instructions needed to build a human being. Now, as scientist and entrepreneur Riccardo Sabatini shows us, we have the power to read this...
SciShow
What Does SPF Mean?
Sunscreen comes in different levels of SPF, or sun protection factor, but what does that mean for your skin and the ultraviolet radiation hitting it? Olivia explains the science of SPF.
MinutePhysics
What are Years... and the Galactic Supermassive Black Hole!
It's leap year time... so what are years, anyway? And what do they have to do with the supermassive black hole in the core of the milky way?
SciShow
The Weirdest Places Made by Carbon Dioxide | SciShow Compilation
Carbon dioxide is the biggest player in the climate crisis, reshaping our world in an urgent way, but that’s not the only way CO2 has changed the world. It’s also contributed to making some of the weirdest places on Earth.
Crash Course
Social Policy: Crash Course Government and Politics
Today, Craig is going to talk about social policy - in the United States this means achieving one of three goals: protecting Americans from risk, promoting equal opportunity, or assisting the poor. Many Americans strongly believe in...
TED-Ed
TED-ED: How to spot a counterfeit bill - Tien Nguyen
Authentic dollar bills are equipped with many security features to make them difficult to forge. But that doesn't stop counterfeiters from trying to fool people with fakes. Luckily, anyone can help catch a counterfeit; all you need are a...
SciShow
How 5 Rocks Get Their Glow
If you find a glowing rock, it probably doesn't mean you're the chosen one. If it's one of these five phenomena, it's quantum mechanics, not narrative significance. Chapters View all FLUORESCENCE 0:36 PHOSPHORESCENCE 2:42...
TED Talks
Alex Steffen: The route to a sustainable future
Worldchanging.com founder Alex Steffen argues that reducing humanity’s ecological footprint is incredibly vital now, as the western consumer lifestyle spreads to developing countries.
Bozeman Science
What is the HHMI? Why is it amazing?
I visited the Howard Hughes Medical Institute last week.
TED-Ed
TED-ED: Why the Arctic is climate change's canary in the coal mine - William Chapman
The Arctic may seem like a frozen and desolate environment where nothing ever changes. But the climate of this unique and remote region can be both an early indicator of the climate of the rest of the Earth and a driver for weather...
TED Talks
TED: How PhotoSynth can connect the world's images | Blaise Agüera y Arcas
Blaise Aguera y Arcas leads a dazzling demo of Photosynth, software that could transform the way we look at digital images. Using still photos culled from the Web, Photosynth builds breathtaking dreamscapes and lets us navigate them.
MinuteEarth
Why The Shortest Day Of The Year Isn't The Coldest
The way we experience seasons don't necessarily line up with how they're technically defined - here's why.
SciShow
An Alternative to Dark Matter?
Models of the universe’s early days have only been possible with dark matter as a variable, but we still don’t have proof that dark matter exists. But recently, scientists may have found a way to replicate the results without the...
Bozeman Science
Work Energy Principle
In this video Paul Andersen explains how the kinetic energy gained by an object is equivalent to the work done on the object. The force on the object must act parallel or antiparallel to the motion of the object to do work. Several...
SciShow
How Old Are You? Well, Your Liver Is 3
This week, a group of researchers use nuclear fallout to figure out how old liver cells are, while another gets one step closer to predicting volcanic eruptions.
SciShow
Crypto and NFTs Are Environmental Disasters...But Do They Have to Be?
The world of cryptocurrency and NFTs is riddled with controversy, but somewhere amid all of that blockchain there's some reckoning with reality that must be done.
TED-Ed
TED-Ed: Pizza physics (New York-style) - Colm Kelleher
People love eating pizza, but every style of pie has a different consistency. If "New York-style"--thin, flat, and large--is your texture of choice, then you've probably eaten a slice that was as messy as it was delicious. Colm Kelleher...
Crash Course Kids
Dinosaur Pee?
Today we continue our exploration of the Water Cycle by drinking some dinosaur pee. Yep! Well, it's a little less gross that it sounds. It turns out that all of the water on Earth is just constantly recycled in what we call a closed...
SciShow
What Are Eyeballs Made Of?
Eyeballs are unique organs, providing many animals with the ability to interpret the light waves in the world around them, but what are these squishy parts made of?
SciShow
NASA Just Launched a New, Planet-Hunting Telescope!
From launching a new satellite, to finding diamonds from a lost world, researchers have been hard at work transforming how we think about our planet, the solar system, and the rest of the universe.
TED Talks
Randall Munroe: Comics that ask "what if?"
Web cartoonist Randall Munroe answers simple what-if questions ("what if you hit a baseball moving at the speed of light?") using math, physics, logic and deadpan humor. In this charming talk, a reader's question about Google's data...
MinuteEarth
The Great Acceleration
We’re in the middle of a rapid, unprecedented, and world-changing increase in the intensity and scale of human activity on this planet.