One of the things that I love to do is travel around the world and look at archaeological sites. Because archaeology gives us an opportunity to study past civilizations, and see where they succeeded and where they failed. Use science to, you know, work backwards and say, 'Well, really, what were they thinking?'
Nathan MyhrvoldMost estimates of the mortality risk posed by asteroid impacts put it at about the same risk as flying in a commercial airliner. However, you have to remember that this is like the entire human race riding the plane - it is one of the few risks that really could wipe us all out.
Nathan MyhrvoldEfficiency in government is a more elusive concept than efficiency in the private economy, which may be measured relatively easily as output per units of input. What is the government's 'output?'
Nathan Myhrvold