SciShow
This Crystal Is ELECTRIC
There's a few minerals that exhibit something called piezoelectricity and pyroelectricity, which mean that either heat or pressure can turn them electric. Here's a demo from the SciShow Rocks Box where you can see this for yourself - all...
SciShow
The Implant That Literally Freezes Away Pain
It's no secret that cold can help treat a source of pain, like a sprained ankle or even a burn. But new technology might be able to take that principle and apply it /directly/ onto your nerves!
PBS
The History of Climate Cycles (and the Woolly Rhino) Explained
Throughout the Pleistocene Epoch, the range of the woolly rhino grew and shrank in sync with global climate. So what caused the climate -- and the range of the woolly rhino -- to cycle back and forth between such extremes?
PBS
How a Supervolcano Ignited an Evolutionary Debate
The Toba supervolcano was the biggest explosive eruption of the last 2.5 million years. And humans were around to see it, or at least feel its effects! But what were those effects?
SciShow
Your Fridge Isn’t Green, but It Could Be
Refrigeration and air conditioning are among the largest sources of carbon, and the refrigerants we use are greenhouse gases, too. But green refrigerants are on the way, from elastocaloric cooling to a method a bit like salting an icy road.
MinuteEarth
Why It's Impossible To Win a Nuclear War
Nuclear war is a terrifying existential threat, but we shouldn't only fear the blasts because the ensuing smoke is the real killer.
SciShow
How Stars Freeze
When you think of a frozen object in space, you might think of Pluto, but stars themselves actually freeze.
SciShow
Volcanoes: Mother of Disasters
Volcanoes can show nature's rage. What are the biggest eruptions we've witnessed in our history?
Crash Course
☁️ What is a Cloud? Crash Course Geography
In addition to just being beautiful one-of-a-kind panoramas in the sky, clouds can tell us so much about how energy and weather patterns flow around the globe. Today, we'll talk about how clouds form, the three main types (cirrus,...
TED Talks
TED: How to provide cooling for everyone -- without warming the planet | Rachel Kyte
The way we cool things down is heating the planet even more, says sustainable development expert Rachel Kyte -- and the solutions go well beyond just fixing air-conditioning. She identifies four major areas with transformative solutions...
SciShow
How Space Tech Is Changing Life on Earth: 2020 Edition
We’ve developed thousands of technologies for space exploration, but luckily for us, sometimes those solutions apply to problems here on the ground, too.
SciShow
Why Do Dogs Pant?
You’ve seen dogs pant, but do you know why they do it? And is it true that dogs can’t sweat? Quick Questions has the answers!
Be Smart
Sunburn, Sweat and the Science of Summer!
A summertime look at why we sweat, why we burn, and why our fingers wrinkle in the pool
SciShow
The InSight Lander Is Going to Mars! Here's Why
The InSight lander is finally launching and headed to Mars, and Hubble has revealed some hot supernova info.
TED Talks
Kelly Wanser: Emergency medicine for our climate fever
As we recklessly warm the planet by pumping greenhouse gases into the atmosphere, some industrial emissions also produce particles that reflect sunshine back into space, putting a check on global warming that we're only starting to...
SciShow
The First Room Temperature Superconductor! (Still No Hoverboards) | SciShow News
Hot off the presses, this week has been cool! Researchers have discovered the first room-temperature superconductor, and another group has created a type of paint that actually stays cooler than the environment around it!
TED-Ed
TED-ED: When will the next ice age happen? - Lorraine Lisiecki
Throughout Earth's history, climate has varied greatly. For hundreds of millions of years, the planet had no polar ice caps. Without this ice, the sea level was 70 meters higher. At the other extreme, about 700 million years ago, Earth...
SciShow
Why Do Razor Blades Dull so Quickly?
If you shave regularly, you may have noticed your razor blades don’t cut as well after just a few uses. But why do razors get dull so quickly?
MinutePhysics
Why Do Compressed Air Cans Get Cold?
This video is about compressed air cans (aka gas dusters) and why they get cold when you spray them. They cool off because the refrigerant inside (1,1-difluoroethane) is under pressure and boils off when the pressure lowers, and energy...
SciShow
How to Supercool Water: A SciShow Experiment
Water doesn't always freeze when it's supposed to. Learn about supercooling, and how to supercool a bottle of water at home -- and then turn it to ice instantly!
Bozeman Science
Thinking in Proportion: Level 5 - Proportional Relationships
In this video Paul Andersen shows conceptual thinking in a mini-lesson on proportional relationships. TERMS Quantities - the amount (or number) of a thing Proportional relationship - relation of one dataset to another dataset Directly -...
Bozeman Science
Energy Changing Processes
In this video Paul Andersen explains how energy can enter and leave a system. The amount of energy a substance can receive through heating or lose through cooling is measured using the specific heat capacity. Phase changing energy from...