If you’re travelling without a lock for your backpack, try this simple method to secure the zipper. Just pull the tab of one zipper through the other, then the second one back through the first. The end result keeps stray hands out of your gear.
iOS: Research shows that light exposure is a major factor in your body’s rhythms. Now, mathematicians have built an iPhone app called Entrain that cuts jet lag time and gets your body adjusted to a new time zone faster.
The comedian Jerry Seinfeld has an amusing bit about how the entire airport industry is a racket to sell overpriced sandwiches (the airlines and planes are just there to distract you from the outrageously high mark-ups). If you swap the aviation angle for pillow mints and swimming pools, the joke could just as easily apply to hotels — especially when it comes to club sandwiches.