The Sumerians also seem to have invented the concept of siege warfare and, perhaps, even the `scorched earthâ tactic used effectively in military engagements ever since. What this means to an individual in the present is that, every day, one is making use of some aspect of Sumerian invention.
THE SUNDAY PROFILE : The 'Model Millionaires' : The Nortons rode the computer revolution to a state of financial bliss. Then they decided it was time to play--with their kids, art and charities. It is a rare quiet day at the Santa Monica villa of computer software king Peter Norton and his wife, Eileen.
NASA astronaut Eileen Collins was the first woman to command a space shuttle mission, a role that required an astronaut to have at least 1,000 hours of experience piloting jet aircraft. Collins commanded the STS-93 space shuttle mission in July 1999, and went on to command a second time in July 2005.