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TED Talks
TED: The billion-dollar campaign to electrify transport | Monica Araya
The roadmap to ending pollution from transportation is here, says electrification advocate Monica Araya. In conversation with head of TED Chris Anderson, Araya introduces Drive Electric: a global campaign to retire the polluting internal...
TED Talks
Phillip Atiba Goff: How we can make racism a solvable problem -- and improve policing
When we define racism as behaviors instead of feelings, we can measure it -- and transform it from an impossible problem into a solvable one, says justice scientist Phillip Atiba Goff. In an actionable talk, he shares his work at the...
TED-Ed
TED-Ed: How to see more and care less: The art of Georgia O'Keeffe | Iseult Gillespie
Feeling disconnected from creating art within classical conventions, artist Georgia O'Keeffe began experimenting with abstract drawings that defied easy classification. Using the shapes and rhythms of nature to capture her internal...
TED Talks
TED: 5 needs that any COVID-19 response should meet | Kwame Owusu-Kesse
Crisis interventions often focus on a single aspect of a big, complicated problem, failing to address the broader social and economic context. Kwame Owusu-Kesse describes how the Harlem Children's Zone is taking a more holistic approach...
TED Talks
Jennifer Zhu Scott: Why you should get paid for your data
The world's most valuable tech companies profit from the personal data you generate. So why aren't you getting paid for it? In this eye-opening talk, entrepreneur and technologist Jennifer Zhu Scott makes the case for private data...
TED Talks
TED: How we can build AI to help humans, not hurt us | Margaret Mitchell
As a research scientist at Google, Margaret Mitchell helps develop computers that can communicate about what they see and understand. She tells a cautionary tale about the gaps, blind spots and biases we subconsciously encode into AI --...
TED Talks
TED: Climate action needs new frontline leadership | Ozawa Bineshi Albert
We can't rely on those who created climate change to fix it, says climate justice organizer Ozawa Bineshi Albert. An Indigenous woman living in the heart of oil and gas country in the US, she's observed an alarming disconnect between...
TED Talks
TED: How to fix broken supply chains | Dustin Burke
Supply chain challenges are real, but they're not new, says global trade expert Dustin Burke. In the face of disruptions ranging from natural disasters to pandemics, how do we make sure supply chains can keep up? Burke offers a...
3Blue1Brown
A few of the best math explainers from this summer
Announcement for the results of the first Summer of Math Exposition
TED Talks
TED: The incredible cancer-detecting potential of photoacoustic imaging | Lei Li
Could we use the energy from light and sound to detect disease? TED Fellow Lei Li shares the exciting promise of photoacoustic imaging: an affordable, painless and accurate method of converting light into sound in order to create...
TED Talks
6 essential lessons for women leaders | Julia Gillard and Ngozi Okonjo-Iweala
In a rich conversation full of practical insights, former Prime Minister of Australia Julia Gillard and former Finance Minister of Nigeria Ngozi Okonjo-Iweala reflect on their experiences as women leaders in positions of global power --...
TED Talks
TED: Your invitation to disrupt philanthropy | Sara Lomelin
Philanthropy disruptor Sara Lomelin thinks communities can build power through collective giving and the model of "giving circles": groups of people with shared values who come together to make change, strengthen their social fabric and...
PBS
The Mathematics of Diffie-Hellman Key Exchange
Symmetric keys are essential to encrypting messages. How can two people share the same key without someone else getting a hold of it? Upfront asymmetric encryption is one way, but another is Diffie-Hellman key exchange.
TED Talks
TED: 3 ways your company's data can jump-start climate action | Massimo Russo
From helping build smart cities to supporting the sustainable energy sector, the possibilities of big data are endless. But many companies are still wary of sharing data that could expose them to risk and diminish their competitive...
SciShow Kids
Viewer Mail from Scotland! Science for Kids
Join Jessi and Squeaks as they answer questions in the first viewer mail episode from SciShow Kids!
TED Talks
TED: How to write less but say more | Jim VandeHei
As the saying goes, less is more. The same goes for words. Listen as Politico and Axios co-founder Jim VandeHei shares what he's learned leading two media companies -- and how to radically rethink the way you write to keep people's...
TED Talks
Kate Hartman: The art of wearable communication
Artist Kate Hartman uses wearable electronics to explore how we communicate, with ourselves and with the world. In this quirky and thought-provoking talk, she shows the "Talk to Yourself Hat", the "Inflatable Heart", the "Glacier...
SciShow
Slowly Solving the Mystery of Turtle Origins
The origin story of turtles is a mystery that has perplexed many for centuries, but thanks to more recent studies, we might be one step closer to figuring out their lineage.
TED Talks
TED: Our unhealthy obsession with choice | Renata Salecl
We face an endless string of choices, which leads us to feel anxiety, guilt and pangs of inadequacy that we are perhaps making the wrong ones. But philosopher Renata Salecl asks: Could individual choices be distracting us from something...
TED Talks
TED: How Airbnb designs for trust | Joe Gebbia
Joe Gebbia, the co-founder of Airbnb, bet his whole company on the belief that people can trust each other enough to stay in one another's homes. How did he overcome the stranger-danger bias? Through good design. Now, 123 million hosted...
TED Talks
TED: How augmented reality could change the future of surgery | Nadine Hachach-Haram
If you're undergoing surgery, you want the best surgical team to collaborate on your case, no matter where they are. Surgeon and entrepreneur Nadine Hachach-Haram is developing a new system that helps surgeons operate together and train...
TED Talks
TED: 7 principles for building better cities | Peter Calthorpe
More than half of the world's population already lives in cities, and another 2.5 billion people are projected to move to urban areas by 2050. The way we build new cities will be at the heart of so much that matters, from climate change...
TED Talks
Sydney Jensen: How can we support the emotional well-being of teachers?
Teachers emotionally support our kids -- but who's supporting our teachers? In this eye-opening talk, educator Sydney Jensen explores how teachers are at risk of "secondary trauma" -- the idea that they absorb the emotional weight of...