SciShow
Can We Get to Alpha Centauri?
You like space exploration, and we like space exploration. So why aren't we investigating our closest to galactic neighbor, the triple star system Alpha Centauri? Is it time to give interstellar travel a shot? How would we do it? Hank...
TED Talks
TED: What it feels like to see earth from space | Benjamin Grant
What the astronauts felt when they saw earth from space changed them forever. Author and artist Benjamin Grant aims to provoke this same feeling of overwhelming scale and beauty in each of us through a series of stunning satellite images...
SciShow
What Is Gravitational Lensing?
Learn more about gravitational lensing with host Caitlin Hofmeister.
Bozeman Science
Biology
Paul Andersen introduces the topic of Biology. He covers each of the four main ideas that were developed by the College Board. These ideas revolve around the concepts of evolution, free energy, information and systems.
SciShow
Wheezy Waiter on Movie Science, Mutant Flu Facts, and 2 Sounds You've Never Heard!
Wheezy Waiter announces the SciShow nominees for "Worst Science in a Film," & Hank talks about the bird flu and shares two sounds that had never been heard by human ears until very recently.
Crash Course
Globalization I - The Upside Crash Course World History
In which John Green teaches you about globalization, a subject so epic, so, um, global, it requires two videos. In this video, John follows the surprisingly complex path of t-shirt as it criss-crosses the world before coming to rest on...
TED Talks
TED: The ocean's glory -- and horror | Brian Skerry
Photographer Brian Skerry shoots life above and below the waves -- as he puts it, both the horror and the magic of the ocean. Sharing amazing, intimate shots of undersea creatures, he shows how powerful images can help make change.
SciShow
Why We Didn't Know How Long a Venus Day Was
Researchers have finally determined how long a day on Venus is, give or take an episode of Brooklyn 99.
SciShow
Earth Has Another Magnetic Field
You probably know about the geomagnetic field that protects the earth from solar storms and radiation. But precision satellites have measured ANOTHER magnetic field coming from Earth, and its signals might hold the key to searching for...
SciShow
What's Next for the James Webb Space Telescope
It finally happened! The James Webb Space Telescope is on its way to capturing never-before-seen images of the universe! But now that it’s airborne and unfurled, what are its next steps before it can deliver the goods?
TED Talks
TED: How we're growing baby corals to rebuild reefs | Kristen Marhaver
Kristen Marhaver studies corals, tiny creatures the size of a poppyseed that, over hundreds of slow years, create beautiful, life-sustaining ocean structures hundreds of miles long. As she admits, it's easy to get sad about the state of...
PBS
Why Haven't We Found Alien Life?
With millions of Earth like planets around sun like stars in our galaxy alone, why don't we see intelligent alien life? Or any other life for that matter? It gets especially weird when you factor in new scientific revelations that life...
TED Talks
TED: Global ethic vs. national interest | Gordon Brown
Can the interests of an individual nation be reconciled with humanity's greater good? Can a patriotic, nationally elected politician really give people in other countries equal consideration? Following his TEDTalk calling for a global...
TED Talks
TED: What does the universe sound like? A musical tour | Matt Russo
Is outer space really the silent and lifeless place it's often depicted to be? Perhaps not. Astrophysicist and musician Matt Russo takes us on a journey through the cosmos, revealing the hidden rhythms and harmonies of planetary orbits....
SciShow
Bacteria and Viruses Are Raining Down on Us All the Time
While you probably aren’t going to get sick from just being outside in all this microbe rain, pathogenic organisms ARE raining down on us all the time, everywhere!
TED Talks
TED: How going to Mars improves life on Earth | Eric Hinterman
Memory foam, air purifiers, scratch-resistant lenses: these are just a few of the everyday items originally developed for space missions. Aerospace engineer Eric Hinterman invites us to dream big and imagine what technological...
Be Smart
How Many Species Are There?
How many species are there on Earth? In biology, this is one of a fundamental question that we still don't have a very good answer for. Imagine if chemists didn't know all the elements of the periodic table, or if physicists didn't know...
SciShow Kids
2015's Solar Eclipse
In this episode of SciShow Kids, Jessi talks about solar eclipses, and in particular, the solar eclipse of 2015! Jessi will show you how eclipses occur and where the best places to view the eclipse are.
TED Talks
TED: This decade calls for Earthshots to repair our planet | Prince William
We start this new decade knowing that it is the most consequential period in history, says Prince William, The Duke of Cambridge. Inspired by President John F. Kennedy's "Moonshot," he calls on us all to rise to our greatest challenge...
SciShow
5 Things We Still Don't Know About the Solar System
We've already learned a lot about the solar system, but sometimes the most fascinating things are what we DON'T know.
SciShow
We Found Water on a Habitable Zone Exoplanet
Researchers found water in the atmosphere of an exoplanet about 110 light-years away, and there's another rock from interstellar space flying through our solar system!
SciShow
Has Saturn Had More than One Ring System
Saturn’s rings might only be around a hundred million years old, billions of years younger than some astronomers have suspected, and they might not be the only rings the planet has ever had.
SciShow
5 Places NASA May Go to Next
NASA just announced the five finalists for the next Discovery missions. It looks like we’ll be sending probes to Venus, studying asteroids, or both!
SciShow
Can Moons Have Moons?
We all know that many planets have moons orbiting them, but is it possible for those moons have little moons of their own?