OCW
The real reason polio is so dangerous
In 1952, polio was everywhere: killing or paralyzing roughly half a million people annually. Yet just 10 years later, paralytic polio cases in the US dropped by 96% and we were on track to get rid of polio for good. But in recent years, the virus started striking back. So, what’s behind these rece..
TEDHow AI could hack democracy
Does AI pose a threat to democracy? Law professor Lawrence Lessig dissects how this emerging technology could influence democratic institutions, warning that we’ve already passed a point (before superintelligence or AGI) that deserves a lot more attention.
TEDYour empty wine bottle could help rebuild coastlines
What if you could take something as tiny as a grain of sand — and as common as a glass bottle — and use it to tackle the climate crisis? Waste alchemist Franziska Trautmann shares how the spark of an idea turned into a large-scale operation helping restore the eroded shores of Louisiana and beyo..
TEDCould we replace data centers with … plant DNA?
Is it possible to meet the world's seemingly infinite demand for data storage while also caring for the natural environment? Biomedical researcher Keolu Fox and professional surfer and scientist Cliff Kapono believe that Indigenous knowledge combined with the science of genetics may offer such ..
TEDA sonic journey through the universe
In an astounding sonic experience, creative director Felipe Sánchez Luna takes you on a journey through the universe as told in sound. Take a deep breath, listen closely and discover the power of sound to provide you with a new emotional understanding of the world.
TEDWhat are those colors you see when you rub your eyes?
In the 1600s, Isaac Newton conducted a series of experiments to better understand the lights and colors that sometimes appear when your eyes are closed. If you’ve ever sat around an evening campfire or unintentionally glanced at the Sun, you may have noticed illuminated patterns briefly dance alon..
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