TED Talks
TED: The bad math of the fossil fuel industry | Tzeporah Berman
We currently have enough fossil fuels to progressively transition off of them, says climate campaigner Tzeporah Berman, but the industry continues to expand oil, gas and coal production and exploration. With searing passion and...
SciShow
How Engineers Are Turning Wind into Protein Powder
Alternative energy is great, but our infrastructure isn't exactly equipped to handle it. So scientists are coming up with other ways to use it, including turning it into food.
TED Talks
Sangu Delle: In praise of macro -- yes, macro -- finance in Africa
In this short, provocative talk, financier Sangu Delle questions whether microfinance — small loans to small entrepreneurs -- is the best way to drive growth in developing countries. "We seem to be fixated on this romanticized idea that...
TED Talks
TED: A provocative way to finance the fight against climate change | Michael Metcalfe
Will we do whatever it takes to fight climate change? Back in 2008, following the global financial crisis, governments across the world adopted a "whatever it takes" commitment to monetary recovery, issuing $250 billion worth of...
TED Talks
Richard Ledgett: The NSA responds to Edward Snowden's TED Talk
After a surprise appearance by Edward Snowden at TED2014, Chris Anderson said: "If the NSA wants to respond, please do." And yes, they did. Appearing by video, NSA deputy director Richard Ledgett answers Anderson's questions about the...
TED Talks
TED: Inside the massive (and unregulated) world of surveillance tech | Sharon Weinberger
What is a weapon in the Information Age? From microscopic "smart dust" tracking devices to DNA-tracing tech and advanced facial recognition software, journalist Sharon Weinberger leads a hair-raising tour through the global, unregulated...
TED Talks
TED: Where on Earth will people live in the future? | Parag Khanna
From the return of nomadic living to a climate-disrupted world, author and global strategist Parag Khanna has some predictions for humanity. Get a fascinating glimpse at the future as he tackles an urgent question: Where on Earth will...
TED Talks
Ellen 't Hoen: Pool medical patents, save lives
Patenting a new drug helps finance its immense cost to develop -- but that same patent can put advanced treatments out of reach for sick people in developing nations, at deadly cost. Ellen 't Hoen talks about an elegant, working solution...
TED Talks
TED: The need for family reunification -- to make families whole again | Elizabeth Zion
I want all families to be made whole, to be reunified, to be together -- as is our right, says writer, poet and student Elizabeth Zion. In this profoundly moving talk, Zion shares the impacts of family separation, including her personal...
TED Talks
TED: How we can bring mental health support to refugees | Essam Daod
The global refugee crisis is a mental health catastrophe, leaving millions in need of psychological support to overcome the traumas of dislocation and conflict. To undo the damage, child psychiatrist and TED Fellow Essam Daod has been...
TED Talks
Ivonne Roman: How policewomen make communities safer
Less than 13 percent of police officers in the United States are women -- despite their proven effectiveness in diffusing violent situations and reducing the use of force. Drawing on more than two decades of experience as a police...
TED Talks
Sonaar Luthra: We need to track the world's water like we track the weather
We need a global weather service for water, says entrepreneur and TED Fellow Sonaar Luthra. In a talk about environmental accountability, Luthra shows how we could forecast water shortages and risks with a global data collection effort...
TED Talks
TED: How megacities are changing the map of the world | Parag Khanna
I want you to reimagine how life is organized on earth, says global strategist Parag Khanna. As our expanding cities grow ever more connected through transportation, energy and communications networks, we evolve from geography to what he...
TED Talks
TED: How economic inequality harms societies | Richard Wilkinson
We feel instinctively that societies with huge income gaps are somehow going wrong. Richard Wilkinson charts the hard data on economic inequality, and shows what gets worse when rich and poor are too far apart: real effects on health,...
TED Talks
TED: A global food crisis may be less than a decade away | Sara Menker
Sara Menker quit a career in commodities trading to figure out how the global value chain of agriculture works. Her discoveries have led to some startling predictions: "We could have a tipping point in global food and agriculture if...
TED Talks
Margaret Heffernan: The human skills we need in an unpredictable world
The more we rely on technology to make us efficient, the fewer skills we have to confront the unexpected, says writer and entrepreneur Margaret Heffernan. She shares why we need less tech and more messy human skills -- imagination,...
TED Talks
TED: Bio-lab on a microchip | Frederick Balagadde
Drugs alone can't stop disease in sub-Saharan Africa: We need diagnostic tools to match. TED Senior Fellow Frederick Balagadde shows how we can multiply the power and availability of an unwieldy, expensive diagnostic lab -- by...
SciShow
Could an Old Vaccine Help Against COVID-19?
By studying population-level epidemiological trends, researchers have noticed that an old vaccine for tuberculosis may provide some protection against COVID-19.
MinuteEarth
The Mystery of The Exploding Appendix
Rates of appendicitis vary around the world, likely due to the forces of modernization. **Appendix** - There are many other unforeseen health changes that seem to be related to the forces of modernization, like the increase in rates of...
TED Talks
Ngozi Okonjo-Iweala: Want to help Africa? Do business here
We know the negative images of Africa -- famine and disease, conflict and corruption. But, says Ngozi Okonjo-Iweala, there's another, less-told story happening in many African nations: one of reform, economic growth and business...
TED Talks
Gordon Brown: Wiring a web for global good
We're at a unique moment in history, says UK Prime Minister Gordon Brown: we can use today's interconnectedness to develop our shared global ethic -- and work together to confront the challenges of poverty, security, climate change and...
TED Talks
TED: A vehicle built in Africa, for Africa | Joel Jackson
Joel Jackson wants to reimagine transportation around the needs of the African consumer. He's designed an SuV that's rugged enough for long stretches of uneven terrain and affordable enough to be within reach of those who need it most....
TED Talks
TED: Why Brexit happened -- and what to do next | Alexander Betts
We are embarrassingly unaware of how divided our societies are, and Brexit grew out of a deep, unexamined divide between those that fear globalization and those that embrace it, says social scientist Alexander Betts. How do we now...
SciShow
Finally, a Drug That Helps With the Worst COVID-19 Infections
A bit of good news on the COVID-19 front this week: New research reveals a drug that might actually help save severely ill patients, and data suggests that distancing policies may have saved millions of lives over the last few months.