Videos Translated into Portuguese (Brazil)

Raphael Mechoulam is an Israeli professor for Medicinal Chemistry and Natural Products at the Hebrew University of Jerusalem. While working on research at the Weizmann Institute of Science in 1964, Michoulam succeeded in the isolation, structure elucidation and total synthesis of delta9-tetrahydrocannabinol, the main active principle of cannabis. This video discusses what THC does to the brain, it also touches on the 1992 discovery of Anandamide, also known as N-arachidonoylethanolamine or AEA, which is an endogenous cannabinoid neurotransmitter found in human organs. When the compound is released into the brain it affects memory, appetite and pain. It was isolated and its structure was first described in 1992.

Peter Joseph addresses a news magazine expo and analyzes it for its value in how it can represent a biased Mainstream view of The Zeitgeist Movement and the erroneous conflation of The Movement and Peter Joseph personal Film Series. Note: This location contains only "official", fully proofread versions of the transcript & translations, whose sharing is encouraged. More will be added as they are completed at: http://dotsub.com/view/95383d60-dc75-4cb4-9925-427c67fa0bab. If your language is not yet represented here, consider helping these efforts by joining your language team at http://tinyurl.com/LTcontacts

Peter van Uhm is the Netherlands’ chief of defense, but that does not mean he is pro-war. At TEDxAmsterdam he explains how his career is one shaped by a love of peace, not a desire for bloodshed -- and why we need armies if we want peace.

The Heretic presents: An experiment in audio-visual feasting. It's just an experience. Turn the volume up, utilise the full HD capability, and take a trip inside. Rumi wrote the poem. The man is my literary God!

Women aren’t micro -- so why do they only get micro-loans? At TEDxWomen reporter Gayle Tzemach Lemmon argues that women running all types of firms -- from home businesses to major factories -- are the overlooked key to economic development.

Imagine playing a video game controlled by your mind. Now imagine that game also teaches you about your own patterns of stress, relaxation and focus. At TEDxToronto Ariel Garten shows how looking at our own brain activity gives new meaning to the ancient dictum "know thyself."

Every doctor makes mistakes. But, says physician Brian Goldman, medicine's culture of denial (and shame) keeps doctors from ever talking about those mistakes, or using them to learn and improve. Telling stories from his own long practice, he calls on doctors to start talking about being wrong.

Video about the secret Anti-Counterfeiting Trade Agreement.

We all want customized experiences and products -- but when faced with 700 options, consumers freeze up. With fascinating new research, Sheena Iyengar demonstrates how businesses (and others) can improve the experience of choosing.

What does a bill like PIPA/SOPA mean to our shareable world? At the TED offices, Clay Shirky delivers a proper manifesto -- a call to defend our freedom to create, discuss, link and share, rather than passively consume.

Cybercrime expert Mikko Hypponen talks us through three types of online attack on our privacy and data -- and only two are considered crimes. "Do we blindly trust any future government? Because any right we give away, we give away for good."

After a crisis, how can we tell if water is safe to drink? Current tests are slow and complex, and the delay can be deadly, as in the cholera outbreak after Haiti's earthquake in 2010. TED Fellow Sonaar Luthra previews his design for a simple tool that quickly tests water for safety -- the Water Canary.