NYTimes.com: Spaceflight is now embedded in our culture, so much so that it is usually taken for granted—a far cry from the old days when the world held its breath for Alan B. Shepard Jr and John Glenn and watched, transfixed, the scene at Tranquility Base. That was then; no astronauts today are household names. Yet space traffic is thick and integral to the infrastructure of modern life.John Noble Wilford looks back to the early days of spaceflight in which he wrote what he calls “the greatest story of my career ' Men Land on Moon."Photos about the Moon can be found in their media blog, or track the history of the Apollo 11 mission in real time at WeChooseTheMoon.org, a web site that is re-creating the entire Apollo 11 trip as it happened.
Modeling the shapes of tree branches, neurons, and blood vessels is a thorny problem, but researchers have just discovered that much of the math has already been done.