Are solar panels worth it?
Adults History
Today in many countries solar is the cheapest form of energy to produce. Millions of homes are equipped with rooftop solar, with most units paying for themselves in their first seven to 12 years and then generating further savings.
Why do some artists become famous?
Adults History
Success in the art world can mean different things to different artists. While some artists work solely for the pleasure of producing art, others seek external recognition, such as being shown in prestigious galleries or museums, and selling their craft. The latter — profitability, recognition, demand — is how success is traditionally defined in the field.
4 epidemics that almost happened (but didn't) - George Zaidan
Adults History
What makes for an effective outbreak response? Explore successful systems from around the world that prevented epidemics.
Ancient Humans Made Millions Of These - We Don’t Know Why
Adults History
The Acheulean handaxe was the most common tool of early humans, but we still don’t know what the heck they used it for.
1816: The year with no summer - David Biello
Adults History
Dig into geoengineering, which uses technology to manipulate Earth’s environments to counteract climate change.
Why Lightbulbs Might Be The Best Invention Ever
Adults History
Lightbulbs might be the best idea ever – just not for light.
The HUGE Problem with ChatGPT
Adults History
Free-to-use, exceptionally powerful artificial intelligences are available to more people than ever, seemingly making some kind of news every day.
How Caffeine Accidentally Took Over The World
Adults History
Plants don't make caffeine just for us, so what DO they make it for?
Why do we eat popcorn at the movies? - Andrew Smith
Adults History
Trace the history of popcorn, from its origins in the Americas to its explosion of popularity in the 20th century.
Explaining concrete while getting buried in it
Adults History
Concrete = cement + sand + gravel. Cement is the most important man-made material on Earth.
The Amazing AI Super Tutor for Students and Teachers
Adults History
Sal Khan, the founder and CEO of Khan Academy, thinks artificial intelligence could spark the greatest positive transformation education has ever seen.
How Can We Respond to Climate Change?
Adults History
Now that we know how complex and interwoven climate change is with society globally, we can begin to see it everywhere.
Why We Haven’t Learned More In 101 Years Of Trying
Adults History
Almost everything we know about the reproductive practices of European eels comes from a genius study conducted more than 100 years ago.
Why do we have crooked teeth when our ancestors didn’t?
Adults History
Explore the prevailing scientific theory of why crooked teeth and impacted wisdom teeth are recent developments in human evolution.
The Business Behind Kurzgesagt
Adults History
In 2023, Kurzgesagt has existed for 10 years (which is insanely long in internet years).
Porcelain in the Wreckage | Drain the Oceans
Adults History
Vanessa Litzenberg discusses the porcelain from the wreck. Drain the Oceans dives deep into the unknown; a truly epic, original series that takes underwater adventure and earth science illustration into a whole new era.
This one weird trick will get you infinite gold - Dan Finkel
Adults History
A few years ago, the king decided your life would be forfeit unless you tripled the gold coins in his treasury.
Truth Decay
Adults History
Trust is eroding, in part, due to the over-abundance of opinion-based content; we must all develop better tools and habits for consuming information to regain a shared understanding of what is true.
What if you experienced every human life in history?
Adults History
Examine the ethical stance known as longtermism, which is the idea that we should be doing more to protect future generations.
160,439 People Agree With Me, 64,831 Disagree
Adults History
For decades, the Sleeping Beauty Problem has divided people between two answers.
Why New Zealand is Finally Getting its First Subway
Adults History
New Zealand is building its biggest ever transport infrastructure project.