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Why no one has measured the speed of light

Adults Data Science Education Science Physics

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.

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

Adults Gaming Psychology Science Relationships

Gaslighting in Among Us? Probably okay. Gaslighting in a real relationship. Not so much!

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

Adults Human Nature Science Environment

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

Do You Expand With The Universe?

Adults Education Science Space Physics

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.

Could we harness the power of a black hole?

Adults Education Science Space Future

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?

Why Gravity is NOT a Force

Adults Education Science Space Physics

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

Why Hardwoods Are The Softest Woods

Adults Construction Education Nature Biology Science

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

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

Adults Health Human Psychology Mental Health Science

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

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

Adults Human Psychology Science Gaming Entertainment

Monsters of the Pocket is everyone's favorite franchise!

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

Adults Nature Science World Environment

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.

The surprising effects of pregnancy

Adults Biology Health Human Science

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.

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.

How to Only Sleep 2 Hours Per Day

Adults Health Human Science Productivity Self

You've decided it's time you accomplished some of those life goals you've talked about, but with your crammed schedule of scrolling social media and video games, it leaves you with little time to do much else.

How To Hear Halfway Around The World

Adults Education Human Science Nature Ocean

Sounds in the ocean can travel more than 10,000 miles - that's halfway around the world! Here's how.

Is life meaningless? And other absurd questions - Nina Medvinskaya

Adults Education Science World Philosophy

Dive into Albert Camus’ philosophy of the absurd, and explore the question: if the world is meaningless, could our lives still hold value?

How Kodak Detected the Atomic Bomb

Adults Education History Human Science

Kodak detected the first atomic bomb before anyone else figured it out. Then they made a deal not to tell anyone. Thanks to HBO Max, and their new show raised by Wolves for sponsoring this video!

This Is How Aliens Might Contact Us

Adults Education Science Space

Could Aliens Be Trying To Contact Earth Without Us Knowing?

When Trees Go Nuts

Adults Animals Life Nature Science Environment

Every once in a while, all the oaks or spruces or other plants in a region suddenly produce a tremendous bounty of seeds – up to 100 times more than usual. But why do they do it, and how do they all manage to sync up?

Is Dust Mostly Dead Skin?

Adults Biology Education Human Science

People claim that 70-80% of household dust is dead skin, but is it true?

A brief history of plastic

Adults Environment History Human Science

Trace the history of the invention of plastic, and how the material ushered in what became known as the plastics century.