TED Talks
TED: Fight for justice — even if you don't live to see it | Golriz Lucina
Storyteller Golriz Lucina recounts how the historic sacrifice of Iranian 19th-century poet and mystic Táhirih planted the seeds for the "Woman, Life, Freedom" protests today, offering an inspiring lesson in the value of acting with...
TED Talks
TED: How to build democracy — in an authoritarian country | Tessza Udvarhelyi
Today, Hungary is in the gray zone between a dictatorship and a democracy, says activist Tessza Udvarhelyi. "This did not happen overnight." In a rousing talk, she reminds us just how close any country can come to authoritarianism — and...
TED Talks
TED: How to build a global pro-democracy movement | Yordanos Eyoel
Democracy is the most compelling vision we have for self-governance, says freedom advocate Yordanos Eyoel. Taking a stand against predatory and opportunist authoritarian forces, she shares how to reimagine, accelerate and protect the...
TED Talks
TED: The vital data you flush down the toilet | Newsha Ghaeli
Everybody pees and poops — and we know that urine and stool contain a rich source of information on our health, says data detective Newsha Ghaeli. Exploring the growing field of wastewater epidemiology, she shows how studying sewage can...
TED Talks
TED: Life is hard. Art helps | Liana Finck
Cartoonist Liana Finck's drawings hold our hands through life's predicaments, big and small: dating, breakups, what to make for dinner, how to leave a party without being rude, how to think about our relationship with God. In a funny,...
Be Smart
How Was the Grand Canyon Formed?
I was in Arizona recently for Phoenix Comic-Con, and had the amazing pleasure of seeing one of Earth's greatest natural wonders… the Grand Canyon. More than a mile deep, and several miles across, it just defies belief. But I couldn't...
SciShow
Relative Humidity Isn't What You Think It Is
Have you ever wondered why 75% humidity in the summer feels sticky, but 75% humidity in the winter feels super dry? Turns out, the common definition of humidity is inconvenient and confusing. But there is a better way!
SciShow
The Founder Of Forensic Anthropology Was Wrong About Everything
Aleš Hrdlička is known as the founder of forensic anthropology, and remains a huge part of the story of the history of anthropology as a science. But his legacy of racism and just bad science is one that this field has been reckoning...
SciShow
The 5,000-Year-Old Mystery of Ancient Egyptian Perfume
The ancient Egyptians were masters of embalming the dead, but they left no record of the ingredients in their balms and perfumes. Luckily, modern chemistry is unlocking those secrets. And it's telling us a lot more about their culture...
SciShow
These Are The Coolest Fossils From 2023
It's that time of year where we round up all our favorite science discoveries of the year, and today, we're talking fossils. From a wild mosasaur with screwdriver teeth, to glittery gold fossils, and even a mammal-versus-reptile fight to...
SciShow
The Moon is Rusting. It's the Earth's Fault.
The Moon is typically 380,000-ish kilometers from the Earth, so it doesn't seem like they have that much of a direct influence on one another. However, the presence of hematite on the lunar surface suggests our planet is causing the Moon...
SciShow
Why Do We Rhyme?
Rhymes might seem frivolous, but there's scientific evidence for why we like them so much.
SciShow
The Earthquake That Lasted Two Centuries
From an Australian fire that's been continually burning for millennia, to earthquakes that shake the ground for centuries, here are four natural disasters that lasted way longer than you might have expected.
SciShow
The Zombie Planet at the Center of the Earth
For years, geologists have been searching for an explanation for two strange blobs of Earth's mantle that are denser than the rest. It turns out, they may not be original parts of Earth at all.
SciShow
Where Did the Moon Come From?
SciShow Space takes you to the moon! Learn about the competing theories about how Earth's closest neighbor formed.
MinuteEarth
You Can’t Actually Die Of Old Age
Despite centuries of death records to the contrary, “dying of old age” is not medically possible; instead, it’s just a convenient catch-all.
MinuteEarth
Why We Haven’t Learned More In 101 Years Of Trying
Almost everything we know about the reproductive practices of European eels comes from a genius study conducted more than 100 years ago.
MinuteEarth
Why These Bears “Waste” Food
Optimal foraging theory means that turning down food is sometimes more efficient than eating it - but even then, what’s “wasted” doesn’t necessarily go to waste.
MinuteEarth
Why The Ocean Needs Salt
Our oceans don’t technically contain salt, but the ions salt is made of play a critical role in planet-wide processes that make the Earth habitable.
MinuteEarth
Why Do Weeping Willows Weep?
Most trees reach for the sun – but not the weeping willow. Why?
MinuteEarth
Why Do People Hate Koalas?
On the Internet, koalas get an unnecessary amount of hate, so let's debunk some of the most pervasive koala myths!
MinuteEarth
The WEIRD Way Monkeys Got to America
Many of the greatest biological dispersal events in history likely happened because animals inadvertently traveled across the oceans on floating debris.
MinuteEarth
MinuteEarth Explains: Animal Winners and Losers
In this collection of classic MinuteEarth videos, we keep score on the winners and losers of the animal kingdom. 0:00 - Intro 0:10 - Why Only Some Monkeys Have Awesome Tails • Why Only Some Monkeys Have Awesome Tails 1:57 - Rise Of The...
MinuteEarth
Is Bigger Better?
Elephants might be strong, but they are weak compared to ants because ants have certain advantages that allow them to outlift their larger competitors.