TED Talks
TED: The unsung heroes fighting malnutrition | Shruthi Baskaran-Makanju
The pastoralists in Africa sustainably produce meat and milk to help feed the continent. But their way of life — and work — is under threat. Food systems advocate Shruthi Baskaran-Makanju explains how best to preserve these vital...
TED Talks
TED: How AI and democracy can fix each other | Divya Siddarth
We don't have to sacrifice our freedom for the sake of technological progress, says social technologist Divya Siddarth. She shares how a group of people helped retrain one of the world's most powerful AI models on a constitution they...
TED Talks
TED: The billion-dollar problem in education | Tanishia Lavette Williams
Standardized testing is deeply woven into the fabric of US education, but does it foster genuine learning? Educator Tanishia Lavette Williams sheds light on the racial biases, financial costs and limited effectiveness of this kind of...
TED Talks
TED: The climate solutions worth funding — now | Jonathan Foley
When it comes to climate solutions, "now is better than new, and time is more important than tech," says scientist Jonathan Foley. He presents a six-part framework to more efficiently address climate change, from better aligning capital...
TED Talks
TED: When you inform women, you transform lives | Paige Alexander
Access to information is the key to unlocking human rights for all, says equality champion Paige Alexander. From educating female entrepreneurs on how to launch life-sustaining businesses to murals, billboards and other creative ways of...
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...
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
Everyone Was Wrong About Avocados - Including Us
If you’re a fan of avocados, you might have heard that they only exist thanks to prehistoric creatures called giant ground sloths. In fact, you’ve probably heard that from us. But as it turns out, the real story is way more complicated -...
SciShow
The Infamous, Brain-Bending Birthday Problem
There's a rather famous problem in math of probability called the Birthday Paradox. Let's get into how it works, and how creative uses of this hypothetical problem have real-world applications!
SciShow
Evolution Can't Explain Your Grandma
There's a really interesting idea in anthropology called the grandmother hypothesis, that basically says the reason we have grandmas has to do with what makes us unique as a species. But there's a huge problem with the idea that it's...
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.
TED Talks
TED: Why you should ditch deadly fossil-fuel appliances | Donnel Baird
In the US, people spend the overwhelming majority of their time inside buildings that burn fossil fuels, which are bad for both the environment and human health. (Think: breathing in air pollution from gas stoves, furnaces and water...
TED Talks
TED: Is technology our savior — or our slayer? | Ruha Benjamin
When it comes to technology, we're often presented with two contrasting visions of the future: one where technology fulfills all our desires, and another where it leads to chaos and conflict. Sociologist Ruha Benjamin is here with a more...
TED Talks
TED: AI is dangerous, but not for the reasons you think | Sasha Luccioni
AI won't kill us all — but that doesn't make it trustworthy. Instead of getting distracted by future existential risks, AI ethics researcher Sasha Luccioni thinks we need to focus on the technology's current negative impacts, like...
TED Talks
TED: A cleaner world could start in a rice field | Jim Whitaker and Jessica Whitaker Allen
Rice is the world's largest food source — and it's also a massive emitter of methane gas, a key contributor to climate change. Fifth-generation rice farmer Jim Whitaker and his daughter, farmer and conservationist Jessica Whitaker Allen,...
TED Talks
TED: Unions for climate action! | Payton M. Wilkins
In the long term, shutting down a coal mine means cleaner air and a healthier environment — but in the short term, it can devastate a community or family that relied on the mine's paychecks to make ends meet. Environmental justice...
SciShow
You Have Four Ages
A person's chronological age doesn't tell us much about the health of their body's various systems. That's why scientists are beginning to study biological ages, and it turns out there may be a lot of them.
SciShow
Reducing Space Waste Before, During, and After Missions | Compilation
Right now, discarded parts from old spacecraft, bags of pee, and dead probes are just floating around in space, but it doesn’t have to be like that. Let's take a look at some of the ways we've figured out to reduce, reuse, and recycle in...
SciShow
The Asteroid That Nearly Swallowed OSIRIS-Rex
It's always an asteroid heading straight toward us that we worry about, never what happens to us when we head straight toward the asteroid. OSIRIS-REx's experience with Bennu tells us it's worth a thought.
SciShow
Don’t Look At the Sun! …Unless | Compilation
It’s common knowledge that you should never look directly at the sun. But, like, what about during an eclipse? Surely you can look then?
SciShow
The One-Second Success Story of Venera 7
Venus may have been named after the Roman goddess of beauty, but once humans started sending spacecraft to the planet next door, we quickly learned that beauty… hurts.
SciShow
Holes In Space That Aren't Black | Compilation
We’ve talked a lot about black holes, but there are other kinds of space holes out there that deserve some time in the spotlight!
SciShow
Where Did Mercury’s Spots Come From?
The Sun isn’t the only celestial body in the solar system to boast spots of its own. Mercury, too, has its fair share, and they’re worth wondering about.
SciShow
The Spacecraft That Wasn't Designed To Land, But Did
Many space missions take billions of dollars and decades of work to get develop, but 25 years ago this spacecraft delivered stunning results on a shoestring budget and a minimal development timeline.