Anthropologist Wade Davis muses on the worldwide web of belief and ritual that makes us human. He shares breathtaking photos and stories of the Elder Brothers, a group of Sierra Nevada indians whose spiritual practice holds the world in balance.
Educator Roy Gould and researcher Curtis Wong show a sneak preview of Microsoft's WorldWide Telescope, which compiles images from telescopes and satellites to build a comprehensive, interactive view of our universe.
At TED2009, Tim Berners-Lee called for "raw data now" -- for governments, scientists and institutions to make their data openly available on the web. At TED University in 2010, he shows a few of the interesting results when the data gets linked up.
Textile artist Magda Sayeg transforms urban landscapes into her own playground by decorating everyday objects with colorful knit and crochet works. These warm, fuzzy "yarn bombs" started small, with stop sign poles and fire hydrants in Sayeg's hometown, but soon people found a connection to the craft and spread it across the world. "We all live ...
Researcher Hans Rosling uses his cool data tools to show how countries are pulling themselves out of poverty. He demos Dollar Street, comparing households of varying income levels worldwide. Then he does something really amazing.
Adam Grosser talks about a project to build a refrigerator that works without electricity -- to bring the vital tool to villages and clinics worldwide. Tweaking some old technology, he's come up with a system that works.
Photographer Lisa Kristine travels the world documenting the unbearably harsh realities of modern-day slavery. She shares hauntingly beautiful images -- miners in the Congo, bricklayers in Nepal -- that illuminate the plight of the 27 million souls enslaved worldwide.
Rural villages worldwide are being deserted, as billions of people flock to cities to live in teeming squatter camps and slums. Stewart Brand says this is a good thing. Why? It'll take you 3 minutes to find out.
More and more people worldwide are living in countries not considered their own. Writer Pico Iyer -- who himself has three or four “origins” -- meditates on the meaning of home, the joy of traveling and the serenity of standing still.
Many people think the lines on the map no longer matter, but Parag Khanna says they do. Using maps of the past and present, he explains the root causes of border conflicts worldwide and proposes simple yet cunning solutions for each.
Parkinson's disease affects 6.3 million people worldwide, causing weakness and tremors, but there's no objective way to detect it early on. Yet. Applied mathematician and TED Fellow Max Little is testing a simple, cheap tool that in trials is able to detect Parkinson's with 99 percent accuracy -- in a 30-second phone call.
The prevailing image of where refugees live is of temporary camps in isolated areas -- but in reality, nearly 60 percent of them worldwide end up in urban areas. TED Fellow Robert Hakiza takes us inside the lives of urban refugees -- and shows us how organizations like the one that he started can provide them with the skills they need to ultimat...
"Ebola threatens everything that makes us human," says Bruce Aylward of the World Health Organization. And when the Ebola epidemic exploded in 2014, it caused a worldwide panic. But humanity can beat Ebola -- and Aylward shows four strategies that show how we are succeeding. The fight against Ebola is not yet won, he says, but it can be.
Dennis vanEngelsdorp is Acting State Apiarist for Pennsylvania's Department of Agriculture, studying colony collapse disorder -- the alarming, worldwide disappearance of worker bees and Western honey bees.