http://www.ted.com The feeling of security and the reality of security don’t always match, says computer-security expert Bruce Schneier. At TEDxPSU, he explains why we spend billions addressing news story risks, like the “security theater” now playing at your local airport, while neglecting more probable risks — and how we can break this pattern.... Read More إقرأ المزيد | Share it now!

http://www.ted.com Inspired by an abalone shell, Angela Belcher programs viruses to make elegant nanoscale structures that humans can use. Selecting for high-performing genes through directed evolution, she’s produced viruses that can construct powerful new batteries, clean hydrogen fuels and record-breaking solar cells. At TEDxCaltech, she shows us how it’s done.... Read More إقرأ المزيد | Share it now!

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http://www.ted.com John Hunter puts all the problems of the world on a 4’x5′ plywood board — and lets his 4th-graders solve them. At TED2011, he explains how his World Peace Game engages schoolkids, and why the complex lessons it teaches — spontaneous, and always surprising — go further than classroom lectures can.... Read More إقرأ المزيد | Share it now!

http://www.ted.com All over the planet, giant telescopes and detectors are looking (and listening) for clues to the workings of the universe. At the INK Conference, science writer Anil Ananthaswamy tours us around these amazing installations, taking us to some of the most remote and silent places on Earth.... Read More إقرأ المزيد | Share it now!

http://www.ted.com Medical ethicist Harvey Fineberg shows us three paths forward for the ever-evolving human species: to stop evolving completely, to evolve naturally — or to control the next steps of human evolution, using genetic modification, to make ourselves smarter, faster, better. Neo-evolution is within our grasp. What will we do with it?... Read More إقرأ المزيد | Share it now!