TED Talks
TED: Why earth may someday look like Mars | Anjali Tripathi
every minute, 400 pounds of hydrogen and almost 7 pounds of helium escape from earth's atmosphere into outer space. Astrophysicist Anjali Tripathi studies the phenomenon of atmospheric escape, and in this fascinating and accessible talk,...
SciShow
Future Space News of 2016
Hank Green brings in 2016 with some space missions to look forward to!
SciShow
Landing on Europa!
NASA has proposed a mission that would land on Europa to search for signs of life & we've learned something sad about one of our neighbors, Proxima b.
SciShow
How Scientists Found the First Type of Molecule in the Universe - SciShow News
Around a quarter of a million years after the Big Bang, the very first molecule, helium hydride was formed. Now scientists have confirmed that molecule is still being made, and they found it with some help from a high flying airplane.
SciShow
3 Extreme Climate Fixes
Hank talks about a few - maybe crazy, maybe reasonable - geoengineering schemes that some scientists have come up with in order to "fix" climate change, including designer clouds, ocean fertilization, and stratospheric shading with...
SciShow
3 Epic Space Mission Fails
Space missions are difficult. Reid describes three epic space mission fails!
SciShow
3 Weird Meteorites (Whose Weirdness Was Instructive)
Meteorites are extraterrestrial rocks that have ended up on earth. All of them are literally 'out of this world,' but here are three of the strangest of these aliens.
SciShow
Found Dozens of Ancient Cryovolcanoes on Ceres! SciShow News
Scientists may have discovered up to 31 more cryovolcano remnants on Ceres, and the Iridium flares are slowly being allowed to burn up in our atmosphere, so see them while you still can!
Crash Course
Europe in the Global Age: Crash Course European History
In which John looks at what it even means to live in a global age, as we've been talking about Europe's role in the gobal community for 47 episodes now. But, pedantry aside, the world is more connected than ever, and that has had effects...
Crash Course
Life Begins: Crash Course Big History
In which Hank and John Green teach you about life on Earth. They won't be giving advice on how life should be lived, because this is a history series. Instead, they'll teach you about the earliest forms of life on Earth, and some of the...
SciShow Kids
Are There Other Planets Like Earth?
Earth is unique in that it's the only planet we know of that can support life. But could there be another planet like ours somewhere far away?
SciShow
How Big Are the Mountains on a Neutron Star?
The extreme mass of neutron stars leads to enormous gravitational pulls, resulting in nearly perfect spheres. But those imperfections, or mountains, might be able to help us spot more neutron stars in the future! And back on Venus, more...
TED Talks
Sean Davis: Can we solve global warming? Lessons from how we protected the ozone layer
The Montreal Protocol proved that the world could come together and take action on climate change. Thirty years after the world's most successful environmental treaty was signed, atmospheric scientist Sean Davis examines the world we...
PBS
Is an Ice Age Coming?
We're living in a brief window of time where our planet isn't frozen underneath a giant layer of glaciers. How much longer will the moderate climate that we've come to know as "normal" continue? This episode looks at how the changes in...
TED Talks
TED: How biochar removes CO2 from the air -- and helps farmers thrive | Axel Reinaud
Biochar is a kind of charcoal that removes CO2 from the atmosphere, helping yield healthy crops and even producing abundant renewable energy in the form of electricity as it's made. This exciting climate change fighter is ready for...
SciShow
The Gamma Ray Burst of 775
About 1200 years ago, Earth may have experienced one of the rarest and most powerful cosmic events a planet can be exposed to: a gamma-ray burst. If it did, well, let's just say that we, as living things on Earth, are lucky it wasn't worse.
TED Talks
Carl Safina: The oil spill's unseen villains -- and victims
Even as the Deepwater Horizon tragedy unfolded, Carl Safina took the stage at TEDxOilSpill to share what the facts were known at the time. In a blood-boiling cross-examination, he suggests that the consequences will stretch far beyond...
SciShow
NASA Needs Astronauts!
Learn about what might be one of the most important exoplanets we've discovered yet, and what you need to apply to become an astronaut!
TED Talks
TED: What I learned from going blind in space | Chris Hadfield
There's an astronaut saying: In space, “there is no problem so bad that you can’t make it worse.” So how do you deal with the complexity, the sheer pressure, of dealing with dangerous and scary situations? Retired colonel Chris Hadfield...
SciShow
What If the Earth Stopped Spinning?
SciShow Space has a disaster movie pitch for Hollywood: what would happen if the earth stopped spinning?
SciShow
The New Gel That Regrows Brains
A new healing gel helped mice regrow brain tissue after a stroke, and scientists suspect someone out there is producing a bunch of ozone-destroying CFCs in defiance of an international agreement!
PBS
Russian Meteorites and Surveillance Culture
A meteorite crashed into earth!!!! This wasn't the first time and it won't be the last, but it is the first time such an event was captured by SO MANY CAMERAS! But besides providing the world with some hilarious, frightening, and amazing...
SciShow
The Simple Molecule Behind Our Complex Universe
All the complexity in the universe ultimately owes its existence to one of the simplest materials possible: molecular hydrogen. And not only did this molecule play a huge role in building the universe as we know it, today, it also helps...