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Severed axons regrow to target

From the Scientist (ht to James Clement): “Scientists have met one of the long-standing challenges of regenerative medicine: For the first time, they have succeeded in coaxing an injured spinal cord to regenerate sensory axons in rats that reinnervate the

Radio show on risk tonight at 7:30pm PT

I’ll be on Fastforward radio tonight at 7:30 PT. Topic is “Risks, Dystopias, and Unsettling Futures” and other guests include David Brin (author of Transparent Society) and the Lifeboat Foundation’s Philippe Van Nedervelde. If you listen live, you can contribute

Anti-Aging Technology Is No Excuse for Bad Habits

For those interested in longevity, July was a good news month. Recently published research in the journal Science shows that caloric restriction helps monkeys live longer and healthier, while a parallel study demonstrated the possibility that a drug could mimic

Singularity U kicks off & smart comments from Kurzweil

Anyone who seriously follows new technologies and cutting edge science knows that Singularity University officially launched this week. Here is an uplifting welcome message from Vice-Chancellor and Chairman Peter Diamandis and below is a thoughtful video featuring a Q&A with

Caloric restriction extends lives of monkeys

Here’s the paper everyone has been buzzing about for the last few days (press release). Monkeys who ate a lower calorie, yet nutritious diet, lived longer than those who ate more. These results were expected, and it will be interesting

Rapamycin extends lifespan of mice

Like Resveratrol, the thinking is that Rapamycin mimics caloric restriction. Here’s the summary from Nature: “On the basis of age at 90% mortality, rapamycin led to an increase of 14% for females and 9% for males….To our knowledge, these are

Scientists Create Human Sperm from Stem Cells

This bolsters the argument that “stem cells can generate any cell in the body,” and also has big ramifications for future fertility technologies. From Time.com: “Researchers at Newcastle University in England report they have coaxed the first human sperm cells