Friday 29 February 2008

TED Thursday Morning: Life Origami

One more item from TED Wednesday:http://www.retztv.com/wp-content/uploads/2007/02/anna-nicole-smith-guess.jpg

Alisa Miller discussed America's parochial, shallow perspective. She sampled news coverage one month, when the global news included a devastating flood in Indonesia and, in Paris, the release of conclusive data confirming the acceleration of global warming. In the U.S. these stories were completely dwarfed by coverage of Anna Nicole Smith's death, a story that received more coverage than all the news associated with every country in the world other than the US and Iraq.

Yesterday, the first session, What is Life?, began with Craig Venter, who had first sequenced the human genome. Craig presented his current work synthesizing life. First he described a 5,000 letter (ATCG) bacteriophage that his lab was able to manufacture by inserting the sequence into e.coli. His lab then developed strings of protein that glued different genes together, so that they could now stitch together any of the 20 million genes that have since been discovered. They have already crafted a life form 500,000 letters long, based on algae methanococcus, that transforms carbon dioxide into methane fuel. The lab hopes to ultimately increase the original bacteria's metabolism a million fold, a scale that can potentially serve our energy needs.



TED Curator Chris Anderson asked Craig, "Can you be accused of playing God?" to which he answered "Oh, we're not playing." Other applications of life synthesis include production of vaccinations, and hardier food. Craig views himself in part as a spokesman to pave the way to public acceptance of these technologies. "Europeans now want DNA-free food."

Next, Microsoft announced World Wide Telescope, a 2.5D rendering of the universe based on all the available astronomical photographs available. Users can fly through the universe and zoom in, building tours for others. Interesting.



Paul Rothemund, a molecular programmer, then ilustrated the art and science of DNA origami, an organic nano-technology. His team has demonstrated that long strands of DNA can be folded into any shape at all by mixing in short strands of protein that pinch the long strand at just the right point. He showed a schematic he had drawn for folding a strand into a smiley face (or rather, a circle missing only two holes for eyes and a curved trench for the smile). Then he showed videos of the tiny molecules that resulted when he folded the DNA strand according to his schematic. Amazingly, we saw little yellow smiley faces floating around.

Rothemund's team then developed software so that anyone can fold DNA strands into shapes. Lulu Qian, a student in Shanghai, used the software to spell DNA (using DNA). Rothemund used the software to build a tiny switch, the equivalent of a transistor. He aggregated the switches into counters and memory cells, crafting organic memory chips of any arbitrary size.

I don't even know what to say about such genius. As one of the interstitial musical performers put it, TED presentations both inspire and depress as you realize how relatively little you've done with your own life.

Dr. Dean Ornish gave a short lesson on the importance of lifestyle in overcoming our genetic fates (at least for a short time). My takeaway: stress and saturated fats kill brain cells; chocolate, tea, and blueberries stimulate new brain cell growth.

Susan Blackmore presented her perspective on memetics, a framework for describing evolutionary systems beyond simply the one organic system Darwin discovered. Blackmore's work, based on an afterthought Richard Dawkins shared at the end of The Selfish Gene, is an interesting perspective for looking at any system that includes reproduction, mutation, and competition. Critics of memetics like to point out that memetics is hardly a useful science. Still it's a fun one to exercise. Personally I have come to view startups as mutated scions of incumbent companies that compete for dollars in the economy. Like most mutations, new business plans are usually doomed, but occasionally one thrives and dominates, breeding similar entrants.

I can't recall the name of the person who gave the next brief presentation, but it was an impressive description of a new technology called neuroimaging therapy. By showing a patient an MRI of her brain in real time, the patient can learn, through biofeedback, how to head off thoughts or sensations that lead to pain, anger, depression, or addictive impulses. He claims a 50% success rate in curing chronic pain through neuroimaging therapy.

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Doris Goodwin, a scholar and author of presidential history, gave a wonderful talk comparing Abraham Lincoln to Lyndon Johnson. She framed the talk around the claim that personal happiness requires a commitment to work, love and play. Borrowing from her latest book, she shared anecdotes about Lincoln's bout with depression in his twenties. Doris weaved in wonderful stories about her own childhood and her times working for President Johnson. The talk didn't really make any sense--the stories and points did not coherently tie together--but it was still worthwhile to bask in her clever and amusing collage of words.

The late morning session of TED was titled Is Beauty Truth? With such a new age sounding theme, I really expected little of this session, but I was pleasantly surprised...

The flu prevented the Harvard evolutionary psychologist Nancy Etcoff from attending, but a stand-in presented the purpose of her book Survival of the Prettiest. By examining people's ideas of beauty, the book identifies commonalities across culture, and demonstrates the extent to which beauty is hard-wired in human beings, as observed even in infantile reactions to a pretty face. "Even babies are shallow." Etcoff's moral is that if we understand the elements of human attraction, we can enjoy beauty without letting it obsess us.

Fashion designer Isaac Mizrahi came next. This time I was really ready to catch up on my email, especially as he began his rambling stream of consciousness. But the guy is amusing and he grew on me. He had lots of funny stories and he never took himself too seriously. "Style is great if it's amusing."

Particle physicist Garrett Lisi closed the session. Garrett is an avid surfer who lives and works in a van on the beaches of Maui. He compares physics experiments to startups, since they hold great promise but they usually don't work.

Graph of E8 Gosset polytope, 42,1Coxeter-Dynkin diagram:The connection to beauty is that Lisi is pursuing the grand unified theory of physics by advocating a mathematical model of the universe that isn't proven, but it's so elegant and beautiful that physicists like Lisi believe that it's most probably correct. (As Dr. Suess wrote about Horton's egg, "It should be, it should be, it should be like that.") Lisi proceeded to describe the 8-dimensional shape called an E8 that seems to frame the properties of the 226 different configurations of the known elementary particles. The vertices of an E8 also define several other particles that haven't yet been observed but, Lisi hopes, will be observed when the new 27-mile Hydron particle collider comes on line later this year. "If we don't find those particles, it won't be good for me personally."

Bottom line: Craig Venter and Paul Rothemund were Thursday morning's highlights.

As for the lowlights, I'd like to heckle but some of my neighbors have impaired senses of humor. Fortunately, Kedrosky has turned me on to Twitter... (twitter.com/davidcowan)

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Thursday 28 February 2008

TED Wednesday: Literally, a Stroke of Luck

Each TED is framed around a theme that allegedly drives the agenda, though most presentations can be adapted to the theme of the day. The theme of TED2008 is The Big Questions. Yesterday's afternoon sessions were titled Who Are We? and What is our Place in the Universe?Ted08leakey

Louise Leakey started off with a history of our and related species, as developed from the fossil record. A third generation fossil hunter, Leakey shared stories of slowly and routinely combing over African landscapes for days at a time searching for that rare piece of ancient hominid skull.

Stanford particle physicist Patricia Burchat taught us, in clear and simple words, how it is that we identify and quantify the "dark matter" that comprises 25% of our universe's mass, and the "dark energy" that comprises 70% of our universe. She illustrated the way that stars cluster in spheres of dark matter, as evidenced by the rings we see around them from background stars whose light bends around them in radial symmetry.

Artist Chris Jordan presented his art, contemporary images that, upon closer scrutiny, are actually made up of thousands or millions of some other image. His aim is to assist us in getting our minds around the massive numbers that we cannot otherwise fathom, such as the eleven hundred Americans whom cigarettes kill everyday, the 4 million plastic cups used every day on commercial airlines, or the 2.3 millions uniforms issued in 2005 to US prisoners, who account for 25% of the world's prison population (partial zoom on the right).

Stephen Hawking presented next by televideo. From his specialized wheelchair he presented a talk on the history of our universe, the likelihood of finding alien intelligent life, and the importance of space colonization for the survival of our species. Incredibly, he presented his comments, and the answers to questions, through a voice-generating computer mechanism controlled only by Hawking's mouth twitches.

Anthropologist Wade Davis presented a collage of images and stories from disappearing cultures. Preachy, a little new age, and hardly memorable. Moving right along...

Paleontologist Peter Ward presented the thesis of his book Rare Earth, which paints a more pessimistic outlook for finding intelligent alien life than Hawking did.

As we contemplated our place in the universe, John Hodgman (John Stewart cast member who plays the PC in Apple's commercials) told the story of his four encounters with aliens. Hodgman kept us in stitches. I wish I could relay the highlights, but you'll have to watch it on TED's site or on their DVD. (Or you can buy his book.)

Another highlight of the day was the story of Harvard-trained Neuroanatomist Jill Bolte Taylor. Inspired by mental health disease in her own family, Taylor became a professor of brain anatomy at Indiana U. Med School. But in a literal stroke of luck that was both terrible and ultimately beneficial, Taylor suffered a stroke at home that took her eight years to recover from. Her recollection of that morning in 1996 is most enlightening: while she sensed the shutdown of her left hemisphere (the serial conductor of thought and language), she experienced first-hand a glimpse into the right hemisphere of the brain. In the spirit of neuropathologist Oliver Sacks (Man Who Mistook His Wife for a Hat, Awakenings, Musicophilia), Taylor examined her own pathology from the inside, developing a unique understanding of how the right hemisphere functions as a parallel processsor of our sensory inputs. Even in the the throes of a painful cerebral hemmorhage that deprived her the ability to speak or comprehend language, Dr. Taylor still deliberately observed and studied her cognitive experience. She keenly sensed internal bodily signals that normally fade into background. Relieved of temporal awareness, Taylor lost all sense of past and future, of stress and work, of responsibility and risk. It was fascinating to hear her description of feeling euophoria ("I felt at one with the universe") and dis-connectedness from her body--highly reminiscent of the feelings commonly reported in near-death situations when the left hemisphere is likely to have shut down.



Sri Sri Ravi Shankar the spiritual teacher was (I hope) the lowlight of TED. His yogic message "All you need is love" wasn't any more compelling than his new age breathing techniques. I want my 18 minutes back.

For the sake of blog etiquette, I'll refrain from reviewing the musical performances, Shakespearean monologue, and short stories that punctuated the feature presentations. But I will point out that these diversions greatly enrich the TED experience, breaking up the heavy regimen of mental exercise.

Bottom line: Stephen Hawking, Chris Jordan, John Hodgman, and Jill Taylor were the highlights of the day.

Photo credits: Bruno Giussani

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TED 2008

I used to attend a lot of conferences (e.g. Comdex, Network World, DEMO, Morgan Stanley Technology Showcase, NVCA, TechCrunch). Mostly I'd avoid the long, mind-numbing sessions, choosing instead to prowl the hallways and expo floors to serendipitously encounter familiar people and unfamiliar technologies. I found these events to be highly efficient venues for collecting and synthesizing information, for sharing ideas and taking a pulse on new markets.


But physical conferences simply can't keep up with the pace, volume and quality of content that is now available through online discovery and collaboration, which don't levy a heavy tax on our time for travel to and from Vegas (Who Has TIme For This?).


Having said that, there is still one conference I try to never miss. TED was founded in 1984 by Richard Saul Wurman as a dinner party among intellectuals (Marvin Minsky, Benoit Mandelbroit, Nicholas Negroponte...) to explore the convergence of technology, entertainment and design. It has since blossomed into a multi-location summit engaging 1,100 attendees around presentations by many of the most interesting and respected people in the world from science (Steve Pinker, Daniel Dennett, Richard Dawkins, Jane Goodall, Murray Gell-Mann), entertainment (JJ Abrams, Julia Sweeney), technology (Craig Venter, Jeff Hawkins, JImmy Wales, Sergey/Larry), art, literature (Dave Eggers), journalism (Saul Hansen), music (Peter Gabriel, Thomas Dolby), business (Richard Branson, Jeff Bezos), and government (Clinton, Gore, Queen Noor). The sessions now cover topics far broader than the original agenda, confronting the biggest challenges facing our species--global warming, terrorism, genocide, disease, education, human rights. The presentations range from 3 to 18 minutes, punctuated by chances to mingle with the speakers.

But TED is more than a conference. TED now hosts a series of events around the world in Africa, India, Europe... TED operates a rich web site that features the lectures delivered in the events. Every year TED awards a $100,000 prize to three recipients who leverage the TED community to pursue a specific proposal on improving the world. For example, Bill Clinton is using his prize to bring basic healthcare services to Rwanda, and E.O. Wilson has used his prize to launch the Encyclopedia of Life, an online repository of information about the species on Earth.

Perhaps the best and most lasting benefit of TED is the chance to meet new friends among a community of everyday people with a common characteristic: an active ongoing interest in improving one's intellect and one's planet--people like my friend Erik Gordon, who overcame much personal adversity to launch an investment firm with the mission of funding commercial space exploration.

Last year I blogged a bit about TED but this year I plan to share more details in the coming days with these objectives: share some interesting ideas, identify which presentations you may wish to watch on the web, and help you assess TED as an event you might wish to attend.

UPDATE: Here are links to my 6 reports on TED 2008:

TED Wednesday: Literally, A Stroke of Luck

Highlights: Dr Jill Taylor-- Brain scientists decvonstructs her own stroke; Stephen Hawking

TED Thursday Morning: Life Origami

Highlights: Craig Venter and Paul Rothemund on developing CAD tools for synthesizing complex life forms.

TED Thursday Afternoon: Helpful Tips to Survive a Nuclear Explosion

Highlight: Author Dave Eggers

TED Friday Morning: Music, Shrooms and Crows

Highlight: Josh Klein on how smart crows really are. Definitely worth watching.

TED Friday Afternoon: Shining Eyes

Highlight of the Week: Ben Zander leads TED in German choral singing

TED Saturday: Thank You For Being Here

Highlight: Al Gore with more inconvenient slides.

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