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I very much enjoy the podcast genre even though it is a rather broad spectrum. Here are my faves:-

• The Adam Buxton Podcast
• Penn's Sunday School
• The Infinite Monkey Cage
• The Skeptics Guide to the Universe
• StarTalk Radio

I forgot to mention something: in the http://www.startalkradio.net/s... "Snowden" reveals their actual location city ("Moscow") easily, whats seems very strange to me.... * sorry by the poor english

+1 to this I've just listen to http://www.startalkradio.net/s...: note that the the comments there are "a priori" modarated (and not "a posteriori", like here) - I think it's a kind of censorship - and there's only audio, no video: it's really Eduard Snowden speaking?

Nope. The labels are about informed choice.

I have the right to know if what I'm buying with my money is the result of a combination of genes that have undergone thousands of years of 'safety testing' known as evolution, or something concocted in a lab by people who don't even understand fully the basics of what they're doing, but whose employers are in a rush to make a quick buck while they have the patent; something, which is only 'tested' against the interpretation of the safety rules of the said employers for a year or two.

I also used to be a huge proponent of GMO labeling before listening to Bill Nye explain why it's both redundant and pointless and should be embraced instead. Every-thing we eat is literally some variant of GMO, we've been making GMO foods since we've been cultivating crops and domesticating animals. Nothing we eat today is not GMO unless we go berry picking deep in the forest. I know it's simpler to think many of the foods we eat today were cultivated/domesticated 10,000's of years ago, and it's true. However we've been continually modifying everything we eat, every year, non stop, since then. The corn we eat today is nothing like the native plant we first cultivated, and also different than the corn we ate 100 years ago. So the idea of the food we eat having been safety tested for "thousands of years" doesn't really strictly hold up.

Also finding out how freaking awesome their genetics lab work was amazingly impressive. They can test and sequence genomes for plants in hours with specialized machinery instead of weeks like it used to take. Transcend 100s of generations of a plant in a matter of weeks, selecting from among the throng the best candidates for perpetuation. When they're happy with the genetic results they then cultivate them to ensure expectations meet reality. 100's of geneticists do this for 3-4 years before handing it over to the FDA which reviews it for another 3 years. There is no going "back to the old ways" on this where you sprinkle pollen on the stamen by hand and wait for it to grow before selecting. We're waaaay past that. We can improve the new GMO process but there's ZERO chance we're going back to the old ways.

If anything it's scary-amazing to know how effective it is and where this will take our world in the next 100 years. We're now able to do in weeks what takes mother nature centuries. We can make plants resistant to bugs, pests, reduce the water they intake, make them more nutritious, give them a longer shelf life, reduce or eliminate natural toxins that many plants have, grow faster. This is really literally super food. Being anti GMO is nearly as bad as being anti-vaccination.

Pure gold.

2011-07-10: Startalk: NASA and Nichelle Nichols
Through her ground-breaking role as Star Trek's Chief Communications Officer Lt. Uhura, Nichelle Nichols became a passionate advocate to get women and minorities involved in real-world space exploration. Many were inspired to become astronauts thanks to her efforts, including NASA's current administrator, General Charles Bolden. While she continues working through various endeavors to get young people excited about space, she hopes that the power of Star Trek will inspire us to keep pushing the boundaries of the final frontier.

2011-07-11: StarTalk: A Conversation with Nichelle Nichols
Some might know Nichelle Nichols best from Star Trek, but this actress, singer, dancer and space advocate has much to say beyond her role in TV's exploration of the final frontier. In this exclusive interview, she talks about how science fiction and Star Trek --- and specifically her ground-breaking role as Chief Communications Officer Lt. Uhura --- not only impacted her life, but also had an influence on society over space and time.

Pure gold.

2011-07-10: Startalk: NASA and Nichelle Nichols
Through her ground-breaking role as Star Trek's Chief Communications Officer Lt. Uhura, Nichelle Nichols became a passionate advocate to get women and minorities involved in real-world space exploration. Many were inspired to become astronauts thanks to her efforts, including NASA's current administrator, General Charles Bolden. While she continues working through various endeavors to get young people excited about space, she hopes that the power of Star Trek will inspire us to keep pushing the boundaries of the final frontier.

2011-07-11: StarTalk: A Conversation with Nichelle Nichols
Some might know Nichelle Nichols best from Star Trek, but this actress, singer, dancer and space advocate has much to say beyond her role in TV's exploration of the final frontier. In this exclusive interview, she talks about how science fiction and Star Trek --- and specifically her ground-breaking role as Chief Communications Officer Lt. Uhura --- not only impacted her life, but also had an influence on society over space and time.

So large, naturally occurring sheets of graphene will naturally curl up into tubes? What are the odds of them being contaminated with H, O, N and P, "just so"? Pretty high given the numbers?

A lot, graphene edge tends to be pretty "dirty" due to all those dangling carbon bonds. Remember organic chemistry is possible because carbon is the most promiscuous of all the elements: http://startalkradio.net/2011/05/22/the-political-science-of-the-daily-show