August 20, 2010 • 11:12 am

The United Nations projects that we’re on track to increase global population by about one-third by 2050. Most of that growth will happen in the poorest countries on Earth.
Despite their poverty, those two billion people will add to the atmosphere at least three times the current greenhouse gas emissions of the U.S.
This fact alone has given the efforts to slow population growth new urgency…
Filed under: Scientific American, climate change , population
August 18, 2010 • 11:55 am
…But biology happens for the precise reason that utopian nanotech can’t: The world of the ultrasmall is astonishingly violent. The surfaces of objects turn out to be seething frenzies of motion — atoms vibrating thousands of times a second, bonds forming and breaking. This energetic mess is what powers cellular machinery — but it blows apart anything humans engineer to do the same job.
Filed under: Wired, green technology , Drexler, Neal Stephenson, Soft Machines
…an open Web app store must work equally well across all browsers, should be accessible to all developers, and should not gather user information. Finally, he said, it should have transparent app review guidelines–which would distinguish it from Apple’s iPhone and iPad app store.
Filed under: Technology Review, consumer technology , Apple, Chrome OS, google, mozilla