On Mon, Dec 29, 2008 at 11:42 PM, apptech wrote: > "Genetic Engineering" is the second equal greatest potential threat to human > life. Just like the other threat, it may come to nothing within say the next > 1000 years, and it may deliver on it's promise. The other threat is > collision with a suitably large space body. The latter would also, of > course, lead to mass extinctions of other species. Whereas GE is capable of ... I think the single greatest threat is whatever people are most scared of. Note this is not reversible (most scared of != greatest threat) - ML -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist