Dark lists this as a must if he’s traveling someplace tropical. He uses a mosquito zapper racquet but a standalone trap can do the job, too. “My wife reacts horribly to mosquitoes,” he explained. Not ...

Credit: Erin Mordecai Stanford biologist Erin Mordecai throws a weighted line up to a tree branch to hoist a mosquito trap into the canopy, while fellow researchers look on. Credit: Erin Mordecai ...