TED Talks
The grassroots movement transforming public safety | Aqeela Sherrills
New ReviewIn 1992, something unprecedented happened in Los Angeles: rival gang members negotiated a historic peace treaty, significantly reducing violence across the city. Aqeela Sherrills, one of the key negotiators of that treaty, continues to...
Be Smart
Space is Full of Junk. Here’s How to Clean It Up…
New ReviewWe know pollution is a problem on earth, but we’re filling space with our junk too. And if we don’t figure out a way to clean up space junk, we could end our interstellar dreams before they even get started. Today, we’re visiting some...
TED Talks
The art of marketing — for good | Raja Rajamannar
Can marketing transcend traditional business goals and actually be a force for good? Mastercard CMO Raja Rajamannar shares how purpose-driven initiatives — like “touch cards” for the visually impaired and debit cards that let people...
TED Talks
How digital culture is reshaping our faces and bodies | Elise Hu
As "beauty filters" proliferate on social media platforms like TikTok, journalist Elise Hu says we've entered the era of the technological gaze, where the digital world shapes real-world beauty standards. She explains how to navigate...
PBS
The plastic industry knowingly pushed recycling myth for decades, new report finds
The world produces an average of 430 million metric tons of plastic each year. The United States alone produces tens of millions of tons of plastic waste annually. Yet on average, only about 5 to 6 percent of plastic in the U.S. is...
TED Talks
Compassion and Crisis: A Conversation on Humanity, Climate, and Change
Amir Nizar Zuabi and Kristine McDivitt Tompkins discuss their shared concerns about humanity's lack of compassion and the interconnected crises of climate change, social injustice, and species extinction. Zuabi reflects on storytelling...
MinutePhysics
Einstein and The Special Theory of Relativity
How Einstein (& others) discovered Special Relativity. Pi day (3.14) is Albert Einstein's Birthday! To celebrate, we'll explain 4 of his most groundbreaking papers from 1905, when he was just 26 years old.
MinutePhysics
Complete Solution To The Twins Paradox
This video is about the famous 'Twins paradox' of special relativity, how time can appear to be faster for two different observers at the same time, and which twin really is older (or younger) - the one who stays on earth or the one who...
SciShow Kids
Think Like an Engineer: Let's Design a Solution! | SciShow Kids
Squeaks, Jessi, and the gang are designing a raft for their friend Juniper. They'll think like engineers and learn how to create a design that solves their problem.
SciShow Kids
Think Like an Engineer: The BEST Solution! | SciShow Kids
Squeaks, Jessi, and the gang have all designed rafts for our friend Juniper to ride. Now, we'll think like engineers by testing our designs, comparing them, and improving them to make the very best raft we can!
SciShow
New Oil Spill Clean Up Method, Guess What?
There are many conventional ways to treat oil spills, both at sea and on land, but some of the strangest include human hair and chicken manure.
SciShow
How To Clear Icy Roads, With Science
Icy roads are a huge hazard, and typical methods of de-icing them can be pretty toxic to wildlife. Which is why researchers have been so fixated on finding better alternatives, from brine to pig pee.
TED Talks
TED: Meet mini-grids — the clean energy solution bringing power to millions | Tombo Banda
Hundreds of millions of people lack access to electricity in Sub-Saharan Africa, relying on highly polluting diesel and firewood for power and light. Working to brighten the future in her home country of Malawi and beyond, energy access...
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...
SciShow
How To Clear Icy Roads, With Science
Icy roads are a huge hazard, and typical methods of de-icing them can be pretty toxic to wildlife. Which is why researchers have been so fixated on finding better alternatives, from brine to pig pee.
TED Talks
TED: How to stop the next pandemic? Stop deforestation | Neil Vora
Clearing tropical forests isn't just dangerous to the natural world — it's also a threat to human health and wellbeing, says physician Neil Vora. Tracing how environmental devastation led to deadly epidemics like Ebola, he presents three...
SciShow Kids
How to Design a Mars Rover! | Let's Explore Mars! | SciShow Kids
Today, the crew at The Fort learn about engineers and how they design different ways to solve problems like they did for the rovers exploring Mars!
PBS
Will Wormholes Allow Fast Interstellar Travel?
From Stargate to Interstellar, wormholes are our favorite method for traveling across fictional universes. But they are also a very serious field of study for some of our greatest minds over the last century. So what’s the holdup? When...
SciShow
This Molecule Has Saved Billions of Lives, How Do We Make It Without Killing Ourselves?
Ammonia is extremely useful to us as a crucial ingredient in fertilizers. But producing it also has a significant carbon footprint, which is why scientists have been on the hunt for a way to make ammonia production greener.
SciShow
Can Climate Change Make Lightning… Supercharged?
The oceans absorb a lot of CO2, leading to a variety of effects like ocean acidification. But you might not expect one of those effects: stronger lightning strikes.
SciShow
Can Gargling Salt Water Cure a Sore Throat?
Gargling with warm saltwater for a sore throat is a remedy commonly known and loved by doctors, and there is some evidence to back it up, but it’s not a cure.
SciShow
How Honey Fights Deadly Bacteria
Believe it or not, that cute bear bottle has serious bacteria fighting power—but how? Join Hank Green for a new episode of SciShow all about the amazing properties of honey!
SciShow
The Most Metal Algorithm in Computer Science
Have a problem with many competing variables? Why not solve it with a computer algorithm based on cooling metal?
TED Talks
TED: The natural building blocks of sustainable architecture | Michael Green
If we're going to solve the climate crisis, we need to talk about construction. The four main building materials that humans currently use -- concrete, steel, masonry and wood -- have a heavy environmental impact, but what if we had a...