TED Radio Hour for Friday, December 6, 2013

Are There Good Hackers?

In 1986, the first PC virus - Brain - began to spread. What was once annoying has become a sophisticated tool for crime. Computer security expert Mikko Hyppönen describes discovering Brain and why the guys who wrote it never meant any harm.

Are We Ready To Hack The Animal Kingdom?

Mankind has driven species after species extinct. Now Stewart Brand says, we have the technology to bring back the species that we wiped out. So should we? Which ones? He asks a big question whose answer is closer than you may think.

Can Hacking The Stratosphere Solve Climate Change?

Environmental scientist David Keith proposes a cheap and shocking way to address climate change: What if we inject a huge cloud of sulfur into the atmosphere to deflect sunlight and heat?

Can Anyone Become A Hacker?

Why can't two slices of pizza be used as a slide clicker? Why shouldn't you make music with ketchup? Inventor Jay Silver talks about the urge to play with the world around you and demos MaKey MaKey, a kit for hacking everyday objects.

Can Hacking The Brain Make You Healthier?

Neurosurgeon Andres Lozano talks about dramatic findings in deep brain stimulation including a woman with Parkinson's who instantly stops shaking, and brain areas eroded by Alzheimer's that are brought back to life.
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