Instructional Video7:34
SciShow

Our Entire Society is Built on a Geological Fluke

12th - Higher Ed
If a tree falls into the forest and doesn't decompose, what happens to it?
Instructional Video9:12
SciShow

If the Asteroid Hit 10 Minutes Later...

12th - Higher Ed
If the 10 kilometer wide asteroid that hit the Earth 66 million years ago hit just a few minutes later, would the outcome of the living creatures here have been different?
Instructional Video5:56
SciShow

Wildfires Make Their Own Weather, Including...

12th - Higher Ed
Climate change is causing wildfire season to get worse every year. And our models of wildfires can't keep up with the things fires can do... like spawn devastating fire tornadoes.
Instructional Video4:05
SciShow

Why Carbon Dating Might Be in Danger

12th - Higher Ed
Carbon dating transformed fields like archeology and paleontology, but its use might be in danger.
Instructional Video6:14
SciShow

Earth Is Losing its Roots

12th - Higher Ed
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.
Instructional Video2:45
SciShow

Could We Breed Giant Spiders?

12th - Higher Ed
If, for some wild reason, we decided that breeding humongous spiders was a good idea, could we actually pull it off?
Instructional Video2:34
SciShow

Can It Be Too Hot To Fly?

12th - Higher Ed
How does heat affect airplanes? Turns out heat, speed and density connect to create dangerous situations.
Instructional Video3:44
SciShow

Astrobiology & the Search for Alien Life

12th - Higher Ed
Hank talks about astrobiology - the study of and search for life in the universe off Earth. Right now, the field has more questions than answers, but all they all seek to answer that one fundamental query: are we alone in the universe?
Instructional Video7:14
SciShow

The New Gel That Regrows Brains

12th - Higher Ed
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! Hosted by: Hank Green
Instructional Video2:25
SciShow

Is There Less Oxygen in the Winter Since It's Colder?

12th - Higher Ed
Plants make oxygen using photosynthesis, but what happens to the air when those trees drop their leaves in winter?
Instructional Video10:13
SciShow

Climate Change

12th - Higher Ed
In which Hank details the five scariest things that will likely happen because of climate change.
Instructional Video8:48
SciShow

A Brief History of Life: Survival Is Hard

12th - Higher Ed
It turns out life may have gotten its start pretty early in Earth's history, and while the first couple billion years saw several important developments, the period was still dominated by very simple life forms. This is our first...
Instructional Video6:07
SciShow

Our Roadmap to Fix Climate Change | SciShow News

12th - Higher Ed
The UN's Intergovernmental Panel on Climate Change released the final part of its sixth assessment report. In it, they steer away from the gloom and doom and remind us of a future that's still remarkably possible.
Instructional Video4:22
SciShow

Oh No...Is Nature Going to Make Climate Change WORSE?! | SciShow News

12th - Higher Ed
Photosynthesis plays a huge role in regulating the earth's CO2. But what happens when the temperature gets high enough that photosynthesis slows down?
Instructional Video4:42
SciShow

How Would We Stop a Nuclear Missile?

12th - Higher Ed
Most of us are hoping that any nuclear threats are just empty threats, and getting at the facts about ICBMs can be difficult. But what would actually happen if someone launched a nuclear weapon?
Instructional Video6:13
SciShow

How Trees Control the Weather

12th - Higher Ed
Who knew that a rainforest could be literal? Hosted by: Rose Bear Don't Walk (she/her)
Instructional Video4:04
SciShow

Abundant Water on Mars, and Mongols Rule!

12th - Higher Ed
This week on SciShow news Hank explains what Curiosity has found, . . .water on Mars!
Instructional Video2:41
SciShow

Why Some Frozen Lakes Catch Fire

12th - Higher Ed
Did you know that, despite their serene, picturesque appearance, some frozen lakes can catch fire? Why are climate scientists studying the explosive gas bubbles trapped in lake ice?
Instructional Video7:01
SciShow

When The Universe Will End

12th - Higher Ed
Hank serves up a buffet of news items that includes an approximate date for the end of everything, scientific proof that when it comes to sex bigger IS better, and a look behind how the London Olympics are going green. Bon appetit!
Instructional Video5:32
TED-Ed

TED-Ed: 1816: The year with no summer | David Biello

Pre-K - Higher Ed
In 1815, Mount Tambora erupted and its emissions spread across the globe, blotting out the sun for almost an entire year. This wreaked havoc on agriculture, leading to famines all across the Northern hemisphere. It was the year without...
Instructional Video7:24
SciShow Kids

What Was the Big Bang and Other Space Questions Answered! | SciShow Kids

K - 5th
Jessi and Sam the Bat team up to answer your questions about space, like: How was the universe created?
Instructional Video12:07
TED Talks

TED: How to harness the ancient partnership between forests and fungi | Colin Averill

12th - Higher Ed
If we want to better understand the environment and combat climate change, we need to look deep underground, where diverse microscopic fungal networks mingle with tree roots to form symbiotic partnerships, says microbiologist Colin...
News Clip5:42
PBS

Why The Midwest's Deep Freeze May Be A Consequence Of Climate Change

12th - Higher Ed
More than a quarter of the U.S. population is expected to deal with sub-zero temperatures this week. The extreme cold has sparked some public skepticism over global warming, but scientists actually believe it is a consequence of climate...
News Clip7:39
PBS

Flying into hurricanes, scientists search for more certainty

12th - Higher Ed
How do meteorologists and scientists make predictions about the power and trajectory of a hurricane? Buckle up. Science correspondent Miles O'Brien joins a crew of scientists who fly right into the eye of Hurricane Florence.