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Why no one has measured the speed of light

Adults Data Science Education Science
Physics students learn the speed of light, c, is the same for all inertial observers but no one has ever actually measured it in one direction.

The dark history of bananas - John Soluri

Adults History Human Nature
Explore the history of the notorious United Fruit Company and how its influence over the banana industry impacted Central America.

Virtual Halloween Games For All Ages

Teachers Humor Teacher Cafe Technology
Here are 10 FUN Virtual Halloween Games for all to play on your Halloween Virtual Party! These easy online games or activities are perfect for all kinds of virtual calls.

Can we build a "perfect" forest? - Jean-François Bastin

Adults Human Nature Science
How can trees help in the fight against climate change? Dig into the efforts to rebuild damaged ecosystems and reduce carbon emissions.

Among Us Science - When Does Lying Go Too Far? ft. TheAmaazing

Adults Gaming Psychology Science
Gaslighting in Among Us? Probably okay. Gaslighting in a real relationship. Not so much!

Do You Expand With The Universe?

Adults Education Science Space
As the universe expands, is said to "stretch" photons. But if it stretches photons, does it also stretch molecules, galaxies and you? A portion of this video was sponsored by Salesforce.

Which type of milk is best for you?

Adults Biology Education Food
Dive into the most popular milks— dairy, almond, soy and oat— to find out which is healthiest for you and for the planet.

Why Gravity is NOT a Force

Adults Education Science Space
The General Theory of Relativity tells us gravity is not a force, gravitational fields don't exist.

Could we harness the power of a black hole?

Adults Education Science Space
Imagine a distant future when humans reach beyond Earth, forge cities on planets thousands of light-years away, and maintain a galactic web of trade and transport. What would it take to make that leap?

Can you solve the riddle and escape Hades? - Dan Finkel

Adults Gaming History Writing
The underworld is overcrowded, and Zeus has ordered Hades to let some spirits out. Hades arranges all the souls of the dead in a line before Cerberus. When one of his three heads bites down on the soul in front of it, they’ll get returned to the land of the living. Anyone to the left must stay in Hades forever. Can you pick the right spot and escape the underworld? Dan Finkel shows how.

Why Hardwoods Are The Softest Woods

Adults Construction Education Nature
Not all hardwood trees have hard wood and softwoods soft wood, because these terms denote their taxonomic ancestry, not the wood's actual hardness.

What causes panic attacks, and how can you prevent them? - Cindy J. Aaronson

Adults Health Human Psychology
Dig into the science of what triggers panic attacks, how to recognize them, and the available treatments for panic disorder.

How to Fight Fire or Flooding on a Nuclear Submarine - Smarter Every Day 244

Adults Construction Creativity Science
The US Navy put no restrictions on me about what I should say or how I should present what I learned on this trip. Other than making sure my footage was cleared for Operational Security, I am free to say whatever I want about this experience.

What Does Winning & Losing Really Do To You? ft. WolfeyVGC

Adults Culture Human Psychology
You win! You Lose...

Sausage and Mash Pie | Keep Cooking Family Favourites | Jamie Oliver

Adults Family Film Food
If you like sausage and mash then this may well be your new family favourite! Sausage and mash pie, what a dish!

Happy World Teachers' Day

Teachers Education Teacher Cafe Work
This World Teachers’ Day, we are celebrating everyone helping to keep students learning—whether in a classroom, at home, or somewhere in between.

Is It Too Late To Stop Climate Change? Well, it's Complicated.

Adults Nature Science World
This video is part of a series about climate change supported by Breakthrough Energy – a coalition founded by Bill Gates, that is working to expand clean-energy investment and support the innovations that will lead the world to net-zero carbon emissions.

What Does Winning & Losing Really Do To You? ft. WolfeyVGC

Adults Human Psychology Science
Monsters of the Pocket is everyone's favorite franchise!

The Infinite Pattern That Never Repeats

Adults Creativity Education Science
Simples rules of geometry meant that 5-fold symmetry was impossible as were crystals without a periodic structure.

The surprising effects of pregnancy

Adults Biology Health Human
Discover how pregnancy changes every organ in the body— from the heart, to the brain and kidneys— and what we still don’t know about it.

Slow Down With Snow Monkeys

Adults Animals Environment Nature
Take 3 minutes and slow down with snow monkeys, with this extract from Mindful Escapes.