Technology now allows us to "hack" solutions to the biggest challenges of our time. But how far is too far? We hear from TED speakers who dare to hack the brain, the climate, and even the animal kingdom in hopes of creating a better world.
Computer security expert Mikko Hyppönen discusses fighting viruses and defending the Internet. Life-long environmentalist Stewart Brand says we have the technology to bring back the species that we wiped out. Should we? Which ones? Environmental scientist David Keith takes a critical look at geo-engineeering against climate change. Jay Silver, a maker research scientist at Intel Labs, talks about the urge to play with the world around you and demos a kit for hacking everyday objects. 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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