Crash Course
The Big Bang: Crash Course Big History
In which John Green, Hank Green, and Emily Graslie teach you about, well, everything. Big History is the history of everything. We're going to start with the Big Bang, take you right through all of history (recorded and otherwise), and...
Be Smart
Where Did Life Come From? (feat. PBS Space Time and Eons!)
The origin of life is one of the most important mysteries in all of science. When did life begin? How did life first evolve from chemistry? Where did life get started? In some primordial soup or somewhere else? Let's journey back to the...
SciShow
Why Are There So Many Beetles
Beetles are the most diverse group of complex organisms on Earth, making up over 20% of all named animal species. One in five species on this planet is...a beetle. How did one group of organisms get THAT massive?
PBS
First Detection of Life
In 1990, an experiment conceived by Carl Sagan was performed using using the Galileo spacecraft. The purpose? To detect life on a planet based on measurements by a space probe. The experiment was successful, and abundant life was...
SciShow
6 Lonely Branches on the Tree of Life
When there’s only one species on an evolutionary branch, we call it a monospecific taxon. Studying these special species can help us better understand not just those sparse groups, but all life on this planet. Chapters Homo sapiens 0:53...
MinutePhysics
What if the Earth Were Hollow
What if there were a tunnel through the middle of the earth and you jumped in?
SciShow
Hardcore Metal Stars
SciShow Space describes a new phenomenon that might be out there: Stars made entirely out of metal. But it's not quite what it sounds like!
TED Talks
TED: Join the SETI search | Jill Tarter
The SETI Institute's Jill Tarter makes her TED Prize wish: to accelerate our search for cosmic company. Using a growing array of radio telescopes, she and her team listen for patterns that may be a sign of intelligence elsewhere in the...
SciShow
10 Things We Didn't Know 100 Years Ago
In just the last century, we've made an astounding amount of scientific progress. And thanks to some of that progress, we can now share 10 of those discoveries with you in a video on the internet!
SciShow
This is NOT What Evolution Looks Like
Hank explains where that over-simplified image of evolution comes from and what it is actually supposed to mean.
SciShow Kids
Mysterious Trilobites! | The History of Life! | SciShow Kids
Squeaks and Mister Brown pretend to go back in time to learn more about Trilobites, using special clues from fossils!
Second Grade Next Generation Science Standards
Crosscutting Concepts
Patterns: Observed patterns in nature guide...
Bozeman Science
Natural Ecosystem Change
In this video Paul Andersen explains how the Earth's climate will natural change due to interactions between the Sun and Earth, volcanism, and plate tectonics. Species may go extinct leading to adaptive radiation or may move to a...
SciShow
Cloudy With A Chance Of Aliens: How We Look for Extraterrestrial Life
What do astronomers look for when they study exoplanets for signs of alien life? Hank explains how space telescopes are already yielding tantalizing clues of what other worlds might hold -- including water! -- and how the next generation...
SciShow
Man Made Earthquakes and More
Hank hits you with a ton of news this time - Amazon CEO Jeff Bezos has plans to retrieve Saturn V rocket engines from the bottom of the Atlantic; new research on the impacts from the Deep Water Horizon oil spill to life in the Gulf of...
SciShow
How Climate Scientists Predict the Future
Over the years, scientists have made a lot of predictions about how Earth's climate is changing, but they don't just pull those predictions from thin air.
SciShow
Weird Places: The Bay of Fundy
SciShow takes you on a tour of Canada's Bay of Fundy, home of the largest tidal range in the world.
SciShow
The First Water on Earth Might've Come From… Earth? | SciShow News
Astronomers have thought for years that Earth was dry in the beginning, but a new paper suggests that Earth might have actually started out wet! And In other meteorite news, a new study of impact sites might give us new clues about...
SciShow
How Wiretapping Helped Transform Astronomy
Early telegraph operators and WWI spies picked up some weird noises on radio waves. As it turned out, they were actually listening to plasma waves in Earth’s magnetic field lines!
Crash Course Kids
Weather In Space (the Rocky Planets)
Do other planets have weather? It turns out that, yes, they do! But, the weather isn't all the same on other planets because of things like atmosphere. In this episode of Crash Course Kids, Sabrina takes us on a tour of the weather on...
SciShow
More Clues to the Oldest Fossils Ever
New evidence suggests some fossils as the oldest known sign of life on Earth, and scientists may have a way to speed up the process of carbon neutralization in the ocean!
SciShow
6 of The Weirdest Places on Earth | Compilation
There are a lot of weird places here on Earth, but here are a few of our favorite strange spots!
SciShow
More on Mating & Monogamy
Hank clarifies the misconceptions about Chagus disease, discusses a couple of interesting celestial events - one that happened in the past and one that will happen in the distant future, and sheds more light on the benefits of sexual...
SciShow
5 of Earth's Weirdest Lakes | Compilation
Our planet is full of beautiful places, but it’s also full of wonderfully weird places. We've put together some of our favorite episodes about our planet’s weirdest lakes!
SciShow
How Stars Freeze
When you think of a frozen object in space, you might think of Pluto, but stars themselves actually freeze.