TED-Ed
TED-Ed: Rumi: One of the world's most famous writers | Stephanie Honchell Smith
According to legend, the renowned scholar Jalaluddin Muhammad Rumi was giving a lecture when a disheveled man approached and asked him the meaning of his academic books. Rumi didn’t know it yet, but this question and this man would...
TED Talks
TED: How to use venture capital for good | Freada Kapor Klein
Freada Kapor Klein isn't your typical venture capitalist. She's thrown out the standard investment playbook in order to close the opportunity gap for low-income communities. She explains how her firm is investing in entrepreneurs and...
SciShow
The Rarest Objects in The Solar System Are from...Elsewhere...
In 2017, astronomers discovered 'Oumuamua — the first definitive interstellar visitor to our solar system. But definitive evidence of space rocks that don't just visit but join our solar system is a little more elusive.
SciShow
Actually Understand Hormone Replacement Therapy
For transgender and nonbinary people, hormone replacement therapy has become one of the standards of care. But what is it, exactly? And what can people receiving the therapy expect? SciShow has the answers.
MinuteEarth
Eclipses Used To Be Terrifying
Because eclipses are powerful and frightening events, ancient cultures went to great lengths to understand eclipses, leading to remarkably accurate predictions and helping invent the science of astronomy.
PBS
Is Time Travel Impossible?
Time travel stories are cool because both the past and future are somehow more interesting that the present and because everyone wants a redo. But so far it appears we’re doomed to live consumed by regret in the eternal, boring present....
PBS
What Happens Inside a Proton?
If we ever want to simulate a universe, we should probably learn to simulate even a single atomic nucleus. But it’s taken some of the most incredible ingenuity of the past half-century to figure out how that out. All so that today I can...
PBS
How To Become an Astrophysicist + Challenge Question!
Do you want to major in Astrophysics? Are you thinking about becoming (or ever just wondered how one becomes) an Astrophysicists? Do you want to know Matt O’Dowd’s origin story? Then buckle up and enjoy the ride and try your astrophysics...
PBS
What’s On The Other Side Of A Black Hole?
Normal maps are useless inside black holes. At the event horizon - the ultimate point of no return as you approach a black hole - time and space themselves change their character. We need new coordinate systems to trace paths into the...
PBS
The Strange Universe of Gravitational Lensing
Niels Bohr, a Danish Physicist said “Everything we call real is made of things that cannot be regarded .” Is what we see perceived to be real or is it an illusion? In the world of our mind’s eye, light travels in a straight line. In...
PBS
How the Quantum Eraser Rewrites the Past | Space Time | PBS Digital Studios
Causality is meant to move in one direction: forward. But the Quantum Eraser experiment seems to reverse causality. How and why can this happen and what are the implications of this experiment on how we understand Quantum Mechanics and...
PBS
The Trebuchet Challenge | Space Time
Kinetic and potential energy are defined as combinations of more basic quantities: position, velocity and mass. These combinations are chosen so that their sum is conserved. It’s actually remarkable that there’s any such combination of...
SciShow
How One Disease Changed What We Know About Medicine - Twice
Searching for a cure for rickets led to the discovery of vitamin D. Fortifying foods with vitamin D led to another disease, and a whole new way to view genetic disease in general.
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
Why You Can't Hear Volcanoes Erupt
Even if a volcano is just a few miles away, you might not hear it erupt. How is that possible? It has to do with a phenomenon known as sound shadows! Hank will tell you all about it in this new episode of SciShow! Join us!
TED Talks
TED: Why AI is incredibly smart -- and shockingly stupid | Yejin Choi
Computer scientist Yejin Choi is here to demystify the current state of massive artificial intelligence systems like ChatGPT, highlighting three key problems with cutting-edge large language models (including some funny instances of them...
TED-Ed
TED-Ed: Food expiration dates don't mean what you think | Carolyn Beans
Countries around the world waste huge amounts of food every year: roughly a fifth of food items in the US are tossed because consumers aren't sure how to interpret expiration labels. But most groceries are still perfectly safe to eat...
TED Talks
TED: Kung Fu, Star Trek and the many paths to spirituality | Rainn Wilson
Do you feel overwhelmed by the complex issues facing our world, not to mention your own personal problems? Spirituality is the key to staying grounded and hopeful -- even for skeptics, says actor and author Rainn Wilson. He explains why...
TED Talks
TED: 5 values for repairing the harms of colonialism | Jing Corpuz
Indigenous wisdom can help solve the planetary crises that colonialism started, says lawyer Jennifer "Jing" Corpuz. Her ancestors, the Kankanaey-Igorot people of the Philippines, are known for creating the Banaue Rice Terraces:...
Curated Video
USA:SPACE: US SPACE SHUTTLE ENDEAVOUR MISSION UPDATE
Jap/Eng/Nat
Astronauts on board the space shuttle Endeavour have successfully retrieved a Japanese science satellite.
But the mission was not without its problems - the satellite was hauled into the shuttle's cargo bay only after a pair...
Curated Video
US State Dept and White House briefings on Iran
White House Pool
1. Wide shot of White House Press Secretary Tony Snow entering briefing room
2. Snow at podium as journalist asks question
3. SOUNDBITE: (English) Tony Snow, White House Press Secretary:
"Well, first, I would resist...
PBS
Feynman's Infinite Quantum Paths
There is a fundamental limit to the knowability of the universe. The Heisenberg uncertainty principle tells us that the more precisely we try to define one property, the less definable is its counterpart. Knowing a particle's location...
PBS
Hacking at Quantum Speed with Shor's Algorithm
Classical computers struggle to crack modern encryption. But quantum computers using Shor's Algorithm make short work of RSA cryptography. Find out how.