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.
The 3 Reasons This Tree Has Lived 5000 Years
Adults History
Methuselah’s environment lacks nutrients, water, and oxygen. In other words, it’s the perfect place to grow very very old.
When are you actually an adult? - Shannon Odell
Adults History
Explore how scientists define adulthood, and find out if there’s a specific age at which we reach maturity.
Saving Wild Salmon Populations
Adults History
In her film 'Salmon Reflection' Norwegian and Unangax̂ filmmaker Anna Hoover explores the effects of a changing world on the communities of Bristol Bay, one of the last surviving wild salmon ecosystems.
When Was The Worst Time In History To Die?
Adults History
By combining historical demography and epidemiology, we can (sort of) determine how people throughout history have died.
Explore the three main ways viruses can be driven to extinction, and dig into the possibility of COVID-19 dying out.
Adults History
Viruses are wildly successful organisms. There are about 100 million times as many virus particles on Earth as there are stars in the observable universe.
I tested the US Military’s secret space weapon
Adults History
An engineer came up with a plan to drop tungsten telephone poles from space - the idea has been seriously considered on multiple occasions, so we tested it.
Anthropology’s Greatest Hoax
Adults History
Scientists are sometimes deemed objective observers of the world in which we live, but that’s not entirely true. They’re still human and can find themselves victim to fraudsters just like the lot of us.