Guns in Space

Evolution vs Natural Selection

As climate change leads to more and more natural disasters, a group of workers is showing up at one site after another to rebuild and repair. Labor organizer Saket Soni tells the stories of Resilience Force — the group of mostly...

You might have heard of the ongoing volcanic eruptions near Grindavík, Iceland. You might not have heard that it's hard to monitor a volcano in the dark. We'll talk about why an Icelandic winter is the worst time for monitoring equipment...

There are several ways the world could end, and scientists have given a lot of thought to what the last living thing will be.

After the Chernobyl Disaster, researchers have been studying the movement of radioactive contamination all over central Europe. Fortunately, that radioactive contamination is decreasing in just about every living thing, except for one...

There are many conventional ways to treat oil spills, both at sea and on land, but some of the strangest include human hair and chicken manure.

From an Australian fire that's been continually burning for millennia, to earthquakes that shake the ground for centuries, here are four natural disasters that lasted way longer than you might have expected.

When it comes to piecing together what happened to civilizations that no longer exist, it can be challenging to solve the mystery. But research into Angkor, the Akkadian Empire, and even the Norse of Greenland, is helping us see that...

One day around 15,000 years ago, a wall of ice 2,000 feet tall and 30 miles wide suddenly broke wide open, and it unleashed the largest flood that we know of in the history of Earth. Come and hit the road with me as we search for the...

The developing world is most affected by climate change but has contributed the least to the problem. Meanwhile, rich countries historically exacerbated the environmental crisis and grew wealthy as a result -- but aren't helping...

Hank has some thoughts on the news that several Italian scientists who were convicted of 29 counts manslaughter for making an "inadequate risk-assessment" before an earthquake.

Once upon a time, there was a lake that was so radioactive, that standing on its shore for more than an hour would almost definitely kill you. Join Olivia to learn how it got that bad in the first place, and what was done to fix it!

Honey bees may be small, but they manage to survive some pretty big disasters. Whether it’s hurricanes, wildfires, or even volcanoes, honey bees seem to have a plan for everything.

Is it possible that this century is the most important one in human history? The 21st century has already proven to be a period of rapid growth. We're on the cusp of developing new technologies that could entirely change the way people...

In which John Green, Hank Green, and Emily Graslie teach you about evolution. So, in the last 3.8 billion years, life on Earth has evolved from single-celled prokaryotes to the dizzying array of life we have today. So how did all this...

When it comes to big problems like climate change, we tend to focus on big solutions -- but many of the best ideas come from people on the ground, facing day-to-day conservation battles. Sharing her effort to protect the Leseur ecosystem...

Guns in Space

When a freak tornado hit their hometown, sisters Caitria and Morgan O'Neill -- just 20 and 24 at the time -- realized they had to jump in and help. What they learned is: After a natural disaster, there's only a tiny window before the...

The 17th Century in Europe was pretty rough in a lot of ways. The Thirty Years War involved a lot of countries, and a lot of battles, and it was terrible for everyone involved, as wars have aa historical tendency to be. At the same time,...

3 Ways to Prevent Hurricanes (Maybe)

What did the world learn from the devastating earthquake that struck Haiti in 2010? That shoddy buildings and bad planning can make a terrible situation even worse. "Haiti was not a natural disaster," says TED Fellow Peter Haas. "It was...

Hurricanes are just made up of clouds and wind moving in a certain pattern…so could we use a nuclear weapon to disrupt that wind enough to stop them?

Today from SciShow World News Headquarters (Hank's office) - news about radiation risks, the most hi-def astronomy ever, and the truth about aquatic humanoids.