PBS
Can AI help solve India’s food and water insecurity?
New ReviewOne of the largest challenges facing India: how to sustain food production for 1.4 billion people amid deteriorating soil quality, diminishing water supplies and climate change. For some, including hundreds of artificial intelligence...
PBS
What If Space is Not Empty?
New ReviewSpacetime on its smallest scales is a seething ocean of black holes and wormholes flickering into and out of existence—or so many physicists think has to be the case. But why should we take this spacetime foam seriously if we’ve never...
SciShow
Why A 4.8 Magnitude Earthquake Isn’t Always A 4.8 Earthquake
New ReviewThe New Jersey earthquake of 2024 might have felt bigger than ones of the same magnitude on a Richter scale or intensity in California. That's because earthquakes in the eastern US go farther and hit harder than their western...
TED Talks
How to build in space for life on Earth | Ariel Ekblaw
Is space the “final frontier” — or the perfect place to revolutionize life on Earth? Space architect Ariel Ekblaw reveals how self-assembling structures could build orbiting real estate in space dedicated to solving humanity’s greatest...
TED Talks
Why are we sending critical metals to the dump? | Jeff More
The world is heading toward a massive copper shortage that could derail the clean energy transition, says mining expert Jeff More. He shows how advanced sensing technology could get us back on the right track, drastically cutting down on...
TED Talks
How to see the future coming — and prepare for it | Jane McGonigal
As a futurist who helps people prepare for all different kinds of possibilities, Jane McGonigal thinks we overuse words like "unthinkable" and "unimaginable." She introduces three hypothetical scenarios, showing how you can foster the...
TED Talks
AI won't plateau — if we give it time to think | Noam Brown
To get smarter, traditional AI models rely on exponential increases in the scale of data and computing power. Noam Brown, a leading research scientist at OpenAI, presents a potentially transformative shift in this paradigm. He reveals...
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
Privacy, Regulation, and the Future of Global Platforms
The future of Telegram remains uncertain as it faces legal challenges and regulatory scrutiny from multiple governments. While the platform has adopted a combative stance, its model—offering partially open communication but resisting...
TED Talks
TED: What’s next for immersive storytelling? | Mark Grimmer
New possibilities for storytelling are emerging faster than at any other time in history, says film producer Mark Grimmer. With an immersive approach to art exhibitions, he shares several multidisciplinary projects — including a...
TED Talks
TED: A snack's journey from the farm to your mouth | Aruna Rangachar Pohl
How does a biscuit make it from the farm to your plate? Sustainable development leader Aruna Rangachar Pohl unpacks the long journey of one of India's most beloved snacks, revealing how the current industrial farming model is eating the...
SciShow
Why the Hardest Rocks Can Be Easy to Break
So, rocks are hard. But the scale we use to rank them, the Mohs scale, is only really good at quantifying that for one kind of hardness, and topaz is a perfect stone to talk about to explain that. And you can check it out in our SciShow...
TED Talks
TED: Want to succeed in business? Find a problem to solve | Anthony Tan and Amane Dannouni
Anthony Tan — the CEO of Grab, Southeast Asia's leading super-app — talks about launching a business that not only turns a profit but also helps people and the environment. In conversation with digital strategist Amane Dannouni, Tan...
TED Talks
TED: How business can improve the world, not just the bottom line | Esha Chhabra
Sustainability has become more marketing than action, says environmental business journalist Esha Chhabra. Challenging conventional business models solely focused on profit, she shares how regenerative companies that embed purpose into...
TED Talks
TED: A path to social safety for migrant workers | Ashif Shaikh
Hundreds of millions of migrant workers travel within their countries to seek out means of survival — often leaving behind all they know for months or even years. Many face poverty and exploitation, and they need a robust social safety...
TED Talks
TED: How sci-fi informs our climate future — and what to do next | Zainab Usman
Science fiction authors have warned us for decades: division among global leaders can quickly create dystopia. Political economist Zainab Usman thinks present-day power struggles may seriously hinder the world's ability to fight climate...
TED Talks
TED: Can a simple brick be the next great battery? | John O'Donnell
The world relies on manufacturing, and manufacturing relies on heat — a massive contributor to global carbon emissions, responsible for a quarter of the world's fossil fuel use. Energy entrepreneur John O'Donnell has figured out a...
TED Talks
TED: A playbook on financing climate solutions | Nili Gilbert and David Blood
Tackling climate change costs a lot of money — and the financial sector is key to getting that money flowing. In a wide-ranging conversation, sustainable investment leaders Nili Gilbert and David Blood discuss where progress is being...
PBS
The Holographic Universe Explained
The holographic principle emerged from many subtle clues – clues discovered over decades of theoretical exploration of the universe. Over the past several months on Space Time, we’ve seen those close clues, and we’ve built a the...
PBS
Can Space Be Infinitely Divided?
How many times can I half the distance between my hands? Assume perfect coordination and the ability to localize my palms to the quantum level. 15 halvings gets them to within a cell’s width. 33 to within a single atom, 50 and they’re a...
PBS
Planck's Constant and The Origin of Quantum Mechanics | Space Time | PBS Digital Studios
Planck's Length is the length below which the concept of length loses its meaning. What exactly does that mean and what are the incredible implications this fact has upon our reality? To find out check out this episode of Space Time...
Be Smart
The Impossible Hugeness of Deep Time
Humans have a hard time with really big numbers, especially when it comes to DEEP TIME. The history of the Earth took a lot longer than you think, trust me. But I’m here to help you put it in perspective. With some string.