Down a path where these kinds of capabilities will become available to anybody who wants to buy them for rain of a Thousand all our second hand on the back some 10 years elite test 360 15 years 20 years from now unless something is done to stop this anybody could be able to print out their own version of day as smallpox virus Barri love iris in the 21st century synthetic biology appears to be the greatest threat to mankind and it is at the top of our medievalist ball who and way our top 10 list of doomsday scenarios is thereby completes all but they're is actually one remaining threat the could be more serious than all the others combined there is an eleventh card in the day cue the creepy and gives us the chance to observe one possible future it shows ass water well without humans might look like are with a mankind's journey will be long or short could depend on our ability to survive this century are if we make it through from that point on the risk a few min extinction an existential catastrophe might decline think the lifespan for the human species at that point might.