New Feature - Release Exercise Answers
Teachers Teacher CafeExercise answers are now hidden from the students by default. You can release the answers at any time by clicking on this icon.
New Feature - Share Exercises with Multiple Classes
Teachers Teacher CafeTeachers can now share an exercise with multiple classes at once.
This is why we can't have nice things
Adults Education Life TechnologyThis video is about stuff: light bulbs, printers, phones and why they aren't better.
What’s the best fuel for your car?
Adults Automotive Nature ScienceDig into which fuel— gasoline, electric, biofuels, or electrofuels— is both affordable for consumers and sustainable for the planet.
Why "Nothing" Matters in Science
Adults Data Science Math ScienceNull results often get a bad rap, sometimes characterized as a study "finding nothing," but there's a lot we can learn from studies whose results fail to support their hypotheses.
How much land does it take to power the world?
Adults Industry Technology WorldExplore the sustainability of fossil fuels, nuclear power, and renewable energy and how much space each of these power sources use.
The Problem With Life Expectancy
Adults Health Human PsychologyIn order to truly understand differences among animal lifespans, we need to stop thinking about a specific number and start thinking about a distribution.
How much electricity does it take to power the world?
Adults Education Technology WorldDiscover how much electricity humanity uses, and how clean energy sources could help revolutionize our energy supply in the future.
What if the World turned to Gold? - The Gold Apocalypse
Adults Education Environment WorldThe Map of Evolution and other sciency posters, researched and designed with love, are now available on the kurzgesagt shop.
How Wildfires Generate "Never-Ending" Storms
Adults Ecology Environment NatureUnder the right conditions, wildfires can form clouds and generate firestorms, which last far longer than normal thunderstorms.