Why no one has measured the speed of light
AdultsData ScienceEducationSciencePhysics... 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.
Can we build a "perfect" forest? - Jean-François Bastin
AdultsHumanNatureScienceEnvironment... 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?
AdultsEducationScienceSpacePhysics... 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?
AdultsEducationScienceSpaceFuture... 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?
What causes panic attacks, and how can you prevent them? - Cindy J. Aaronson
AdultsHealthHumanPsychologyMental HealthScience... Dig into the science of what triggers panic attacks, how to recognize them, and the available treatments for panic disorder.
Is It Too Late To Stop Climate Change? Well, it's Complicated.
AdultsNatureScienceWorldEnvironment... 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 Infinite Pattern That Never Repeats
AdultsCreativityEducationScience Simples rules of geometry meant that 5-fold symmetry was impossible as were crystals without a periodic structure.
The surprising effects of pregnancy
AdultsBiologyHealthHumanScience... 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.
How to Only Sleep 2 Hours Per Day
AdultsHealthHumanScienceProductivitySelf... 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 Kodak Detected the Atomic Bomb
AdultsEducationHistoryHumanScience... 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!
Is life meaningless? And other absurd questions - Nina Medvinskaya
AdultsEducationScienceWorldPhilosophy... Dive into Albert Camus’ philosophy of the absurd, and explore the question: if the world is meaningless, could our lives still hold value?
When Trees Go Nuts
AdultsAnimalsLifeNatureScienceEnvironment... 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?