Imagine a scenic view overlooking the ruins of Machu Picchu. Now imagine listening to world-renowned keynote speakers in addition to doing some meaningful service for the poor communities there. That is exactly what five students...

So you're leaving for an all-day outing in 30 minutes and your phone has only 22 percent of its battery left. What do you do? Plug it in of course, but is there anything you can do to maximize the amount of charge you'll...