The New York Times: After years of spending our nation’s space budget building an orbiting space station of questionable utility, serviced by an operationally expensive space shuttle of unsafe design, NASA has set a new direction for the future of human spaceflight. Once again, we have our sights on the Moon ... and beyond. We are finally, bodily, going to make our way into space, this time to stay.
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.