issue_71
The Dam Problem in the West
On a raft trip down the Green River, a writer faces her environmental preconceptions.
In the Flow on Half Dome
“I felt elated, alive. ‘Look where we are!’ I shouted. ‘This is crazy!’”
Why Europa Is the Place to Go for Alien Life
NASA is scheduled to probe the Jovian moon in 2023.
How Does Turbulence Get Started?
The high stakes of solving one of science’s most obstinate problems.
Why a Traffic Flow Suddenly Turns Into a Traffic Jam
Those aggravating slowdowns aren’t one driver’s fault. They’re everybody’s fault.