Cruden ranks the Gulf oil spill as one of the most significant environmental disasters of our time. It "deserves ... all of our energy to make sure nothing like this ever happens again," he says.
Unless there's a serious pileup, ants in traffic tend to bypass a collision and just keep going. A physicist has found a way to model this behavior with a mathematical equation.
Elspeth Ventresca, center, and the rest of Carolyn Barnhardt's prekindergarten class at John Eaton Elementary School wear the crowns they made to celebrate Rev. Martin Luther King Jr.'s birthday.