SciShow
We Don’t Know What the Sun Is Made Of
Unlike Earth, our Sun is a giant ball of mostly hydrogen and helium. Astronomers managed to figure that one out roughly 100 years ago. But after all this time, they still can't come to an agreement on what "mostly" means, precisely.
PBS
How Do We Know What Stars Are Made Of?
Pin-pricks in the celestial sphere, through which shines the light of heaven? Or gods and heroes looking down from their constellations? Or lights kindled above middle earth by Varda Elbereth and brightened with the dew of the trees of...
SciShow
The Strange Mystery of the Barreleye Fish
Somewhere in the Pacific Ocean, there's a fish that's . . . a little different. Join us for a new episode of SciShow where Hank will tell you all about the Pacific Barreleye Fish and what makes it so mysterious....
SciShow
5 Mysteries Science Created and Solved
Sometimes science creates a mystery, and it can be very difficult to solve! Join Hank for a fun new episode of SciShow about five mysteries started and later solved by science. Let's go! Hosted by: Hank Green
PBS
How Close To The Sun Can Humanity Get?
The Sun: an entity worshipped as a god throughout time and across cultures. The source of all life and sustenance for our little blue space rock, and also a force of unthinkable destructive power. But soon humanity will reach out its...
TED-Ed
TED-Ed: The dust bunnies that built our planet - Lorin Swint Matthews
Investigate the theories surrounding cosmic dust bunnies and discover how the tiny particles could hold the key to the formation of life on Earth. -- Consider the spot where you’re sitting. Travel backwards in time and it might’ve been...
TED-Ed
TED-Ed: Earworms: Those songs that get stuck in your head - Elizabeth Hellmuth Margulis
Have you ever been waiting in line at the grocery store, innocently perusing the magazine rack, when a song pops into your head? Not the whole song, but a fragment of it that plays and replays until you find yourself unloading the...
TED-Ed
TED-Ed: Zen k_ans: unsolvable enigmas designed to break your brain - Puqun Li
How do we explain the unexplainable? This question has inspired numerous myths, religious practices and scientific inquiries. But Zen Buddhists practicing throughout China from the 9th to 13th century asked a different question - why do...
SciShow
We Don't Actually Know Where the Sun Came From
We can’t find evidence of the Sun’s family, or how it might have formed, but we do have some pretty good theories.
SciShow
What Knocked Over Uranus And Two Other Mysteries?
The most common type of exoplanets might be worlds like our ice giant, Uranus. Understanding it could be key to the history of planets all over the galaxy.
Crash Course
Astrophysics and Cosmology: Crash Course Physics
It's time for the end. At least the end of our first series on Physics here at Crash Course. In this episode of Crash Course Physics, Shini sits down to talk about Astrophysics and Cosmology. By using what we've learned this year, we can...
SciShow
5 Mysteries Science Created... and Then Solved
Asking questions almost always leads to finding answers, but those answers will often pose even more questions. Here are five mysteries started and later solved by science.
TED-Ed
TED-Ed: How to write the perfect crime, according to Agatha Christie | Jamie Bernthal
With almost 100 mystery novels, each one a cleverly constructed puzzle box of clues, misdirection, and human drama, Agatha Christie is the best-selling novelist of all time. Her eccentric detectives, clever clues, and simplified suspects...
Debunked
DISNEY - Myths, Mysteries & Secrets
The world of Disney is full of secrets, myths and mysteries! Who actually created Mickey? Is Walt’s body on ice? What happened to the abandoned Disneylands? Join us as we investigate the top 5 secrets of Disney.
Curated Video
What Makes These Dunes Sing?
Why do dunes sing? Head into the mysterious world of sand with host Joe Hanson! Along the way we meet Dr. Melany Hunt and Dr. Nathalie Vriend who solved the longstanding mystery of why dunes sing.
Great Big Story
Joe Nickell, the truth behind paranormal mysteries
Follow Joe Nickell, a seasoned paranormal investigator, as he debunks myths of ghosts, UFOs, and monsters with scientific inquiry.
Curated Video
Rosetta Stone for Kids | Bedtime History
Unravel the enigma of ancient languages with the Rosetta Stone! Join us on a linguistic journey as we explore the significance of this iconic artifact. Discover how its discovery in 1799 unlocked the secrets of Egyptian hieroglyphs,...
Wonderscape
What Was Stonehenge's Purpose? Exploring Theories and Rituals
Discover the many theories about Stonehenge’s purpose, from its potential role as an ancient calendar to a site for religious rituals and burials. Learn about the evidence pointing to ceremonies, feasts, and even possible healing...
Great Big Story
Joe Nickell, The Truth Behind Paranormal Mysteries
Follow Joe Nickell, a seasoned paranormal investigator, as he debunks myths of ghosts, UFOs, and monsters with scientific inquiry.
Curated Video
A Fateful Eclipse
Classicist Richard Janko (Michigan) relates the pivotally impactful religious factors behind the disastrous Athenian invasion of Sicily during the Peloponnesian War.
One Minute History
103 Ring Around The Rosie - One Minute History
Ring-a-round the rosie - A pocket full of posies - Ashes! Ashes! - We all fall down. Some believe that the popular rhyme dates back to the children who lived through the Black Death; the bubonic plague that decimated Europe in the 17th...
Physics Girl
Strange Unexplained Cosmic Rays (ft PhD Comics)
The fastest particles ever detected in the universe are still a mystery to science. Cosmic rays are particles from space. The most energetic and fastest particles we’ve ever detected come from a mystery place. In this video inspired by...
Science360
Science Behind The News: Tornadoes
Tornadoes are violent, twisting columns of air with wind speeds over 100 miles per hour that can tear communities apart. Josh Wurman, an atmospheric scientist, explains that tornadoes develop in a special type of thunderstorm called a...
AllTime 10s
10 Unsolved Mysteries Of The Moon
Despite being less than 400,000km away, there is a surprising amount that we don't know about the moon. What's at its core? How did it get there? Could it one day support life? Alltime 10s investigates.