MinuteEarth
How Do Trees Survive Winter?
Humans can go inside or put on clothes, but trees spend winter naked in the cold. Why don't they all die?
TED-Ed
TED-Ed: The rise and fall of the Maya Empire’s most powerful city | Geoffrey E. Braswell
During the 8th century CE, warfare and failing agriculture forced Maya people to move north, to hotter, drier Yucatán. Because of its freshwater access, Chichen Itza became the most powerful Maya city, with nearly 50,000 citizens at its...
MinuteEarth
Apparently tree FINGERPRINTS are a thing
Every species on Earth has a fingerprint - whether or not they have fingers at all.
SciShow
What Took Down These Three Ancient Civilizations?
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...
SciShow
How Can Microbes Protect Crops From Drought?
Solving food shortages caused by droughts is a big challenge that may benefit from a tiny ally. Turns out that the microbes living in the soil around plants can give them a boost when water's scarce, which means more food for us, which...
SciShow
Unexpected Ways Scientists Use GPS
GPS devices aren't just for keeping you from driving into a lake. They're also helping lots of scientists in unexpected ways.
SciShow
Earth Is Losing its Roots
Roots do more than hold plants in place -- they hold the planet in place. They're an important defense against drought and climate change, and of course, our actions are changing them.
SciShow
How Tattoos Really Work... At Least in Mice
People have been getting tattoos for thousands of years, but we've never quite been sure why the ink sticks around under our skin. A group of researchers now think they might have the answer. Plus, scientists are on the road to making...
SciShow
Volcanoes: Mother of Disasters
Volcanoes can show nature's rage. What are the biggest eruptions we've witnessed in our history?
SciShow
The Great North American Megadrought
In a few decades, scientists predict that a widespread, severe drought will sweep across western North America -- and it'll last for decades.
TED Talks
TED: How to make radical climate action the new normal | Al Gore
A net-zero future is possible, but first we need to flip a mental switch to truly understand that we can stop the climate crisis if we try, says Nobel laureate Al Gore. In this inspiring and essential talk, Gore shares examples of...
SciShow
How Tattoos Really Work... At Least in Mice
People have been getting tattoos for thousands of years, but we've never quite been sure why the ink sticks around under our skin. A group of researchers now think they might have the answer. Plus, scientists are on the road to making...
SciShow
The Real Mayan Apocalypse
There are just six weeks left until the celestial odometer that is the Mayan calendar clicks over to the next b'akt'un, but in the meantime, scientists have been trying to solve the mystery behind the collapse of the Mayan civilization....
SciShow
How Ancient Pollen Can Predict The Future
We don't need a time machine to learn from the past (but let us know if you find one)! Air bubbles trapped in ice for millennia and ancient pollen grains can tell us a lot about climate shifts hundreds of thousands of years ago!
SciShow
Could We Build Weather-Controlling Satellites?
In some science fiction movies, satellites control the weather in disastrous, but effective ways. Here in reality, we have attempted to influence the weather, with mixed results.
SciShow
What Will the World Look Like, 2°C Warmer?
A world only 2°C warmer, or 3.6°F, would be one that is much different than the world we live in today, but what does that actually look like?
SciShow
Earth, Two Degrees Warmer
A new report on climate change is pretty grim, but there is still a little hope.
SciShow
5 Sci-Fi Futures We Actually Have to Worry About
5 Sci-Fi Futures We Actually Have to Worry About
SciShow
The Bacon Hoax & the Next REAL Food Shortage
Hank eases our minds about the alleged bacon shortage, and informs us of some actual meat shortages we may see the effects of in the coming years.
Crash Course
Drought and Famine: Crash Course World History
In which John Green teaches you a little bit about drought, which is a natural weather phenomenon, and famine, which is almost always the result of human activity. Throughout human history, when food shortages strike humanity, there was...
Crash Course
Natural Hazards: Crash Course Geography
Today we wrap up the first half of our series on physical geography by taking a closer look at natural hazards - which are physical processes like heat waves and cyclones, earthquakes and volcanic eruptions, and floods and droughts. And...
SciShow
How We Could Prevent a Global Rice Shortage
Rice production needs to see a 50% increase by 2030 to keep up with population growth, but as the climate warms, rice plants will likely become less efficient. Fortunately, scientists are working on a pretty clever potential solution.
SciShow
Can Seawater Fix California's Drought?
How do we make seawater drinkable? And can that technology save California?!
Crash Course Kids
Water Fight!
So, what happens when there's not enough water? Well... not good things. Do we let homes have more water for showering and cooking? Or do we let farms have the water for growing crops? There aren't any easy solutions, but today Sabrina...