MinutePhysics
Einstein's Biggest Blunder, Explained
This video is about how Albert Einstein made a mistake when applying the Field Equations of General Relativity to cosmology (in particular, to a static, constant density universe), and solved the problem by introducing the cosmological...
TED Talks
Louise Fresco: We need to feed the whole world
Louise Fresco shows us why we should celebrate mass-produced, supermarket-style white bread. She says environmentally sound mass production will feed the world, yet leave a role for small bakeries and traditional methods.
TED Talks
TED: My country will be underwater soon -- unless we work together | Anote Tong
For the people of Kiribati, climate change isn't something to be debated, denied or legislated against -- it's an everyday reality. The low-lying Pacific island nation may soon be underwater, thanks to rising sea levels. In a personal...
TED Talks
TED: Portraits that transform people into whatever they want to be | uldus Bakhtiozina
With her gorgeous, haunting photographs, artist uldus Bakhtiozina documents dreams, working with daily life as she imagines it could be. She creates everything in her work by hand -- from costumes to stages -- without digital...
TED-Ed
TED-Ed: Dark matter: How does it explain a star's speed? - Don Lincoln
All the stars in a spiral galaxy rotate around a center -- but to astronomers, the speed that each star travels wasn't making sense. Why didn't stars slow down toward the edges as expected? Don Lincoln explains how a mysterious force...
TED Talks
Marco Tempest: The electric rise and fall of Nikola Tesla
Combining projection mapping and a pop-up book, Marco Tempest tells the visually arresting story of Nikola Tesla -- called "the greatest geek who ever lived" -- from his triumphant invention of alternating current to his penniless last...
SciShow
SciShow Quiz Show: Pit Stains & Climate Change
Megan Toenyes, a former SciShow videomaker returns for a showdown with her former employer!
PBS
Have Gravitational Waves Been Discovered?!?
For the past 90 years, the predictions laid out Einstein's general theory of relativity have continued to be confirmed by experimental science. The last hold out is gravitational waves - the idea that certain gravitational events cause...
TED Talks
Krista Tippett: Reconnecting with compassion
The term "compassion" -- typically reserved for the saintly or the sappy -- has fallen out of touch with reality. At a special TEDPrize@UN, journalist Krista Tippett deconstructs the meaning of compassion through several moving stories,...
TED Talks
Michael Green: What the Social Progress Index can reveal about your country
The term Gross Domestic Product is often talked about as if it were “handed down from god on tablets of stone.” But this concept was invented by an economist in the 1930s. We need a more effective measurement tool to match 21st century...
SciShow
What the Frick is a Globster?
Sometimes, big hunks of strange-looking flesh wash up onshore and then people think that they're dinosaurs or giant octopi or previously undiscovered species. Turns out the ocean can do nasty things to dead things...making them just...
SciShow
Does Using Your Phone Really Hurt Your Sleep?
You've probably heard that some types of light, like the kind that comes from your phone or laptop, can be bad for your sleep if you use them too close to bedtime. But let's be real, nighttime is the best time to binge TV, so are we...
SciShow
Does Aloe Really Treat a Sunburn?
It's summer time, so you might be wishing for the sweet sweet relief of aloe vera on your sunburned skin, but does the slimy gel actually do anything?
SciShow
Why We Love Movie Villains (According to Psychology)
Sometimes we find ourselves falling for the cute vampire or German bank robber, and this might say a lot about how we think about ourselves.
TED-Ed
TED-Ed: Inside your computer - Bettina Bair
How does a computer work? The critical components of a computer are the peripherals (including the mouse), the input/output subsystem (which controls what and how much information comes in and out), and the central processing unit (the...
SciShow
New Supernova, and Internet on the Moon
SciShow Space shares the latest news from the around the universe, including the first supernova observed in real time, and Internet service on the moon. Finally!
SciShow
Anal Jets and Frog Urine | SciShow Quiz Show
Stefan returns to challenge Hank on Quiz Show, and the rest of the SciShow Tangents crew decided to join in the fun!
TED Talks
TED: The unexpected benefit of celebrating failure | Astro Teller
Great dreams aren't just visions, says Astro Teller, "They're visions coupled to strategies for making them real." The head of X (formerly Google X), Teller takes us inside the "moonshot factory," as it's called, where his team seeks to...
TED Talks
TED: The refugee crisis is a test of our character | David Miliband
Sixty-five million people were displaced from their homes by conflict and disaster in 2016. It's not just a crisis; it's a test of who we are and what we stand for, says David Miliband -- and each of us has a personal responsibility to...
MinutePhysics
Einstein's Proof of E=mc2
Ever wonder how Einstein proved E=mc2? This is how. Pi day (3.14) is Albert Einstein's Birthday! To celebrate, we'll explain 4 of his most groundbreaking papers from 1905, when he was just 26 years old
TED Talks
Kitra Cahana: A glimpse of life on the road
As a young girl, photojournalist and TED Fellow Kitra Cahana dreamed about running away from home to live freely on the road. Now as an adult and self-proclaimed vagabond, she follows modern nomads into their homes -- boxcars, bus stops,...