Most Popular Articles of October: Gross Seat Savers, Sharks Invading a Golf Course, and More (Slideshow)
One of the downsides of public transportation is that you can't always expect a free seat, and you can't save a place for yourself or a friend. But Jaymi showed us a novel solution -- fake spilled ice cream cups and coffee to keep potential seat thieves at bay. They're of dubious morality (and taste), but sometimes, you just need to sit down.
We also have sharks invading a golf course lake, a whale making friends with a motorboat, amazing night sky photography, and more in our roundup of the most popular stories on TreeHugger this month.