WITH THE TERRIBLE winter we’ve had this year, everyone I know is looking forward to summer. But I also know that once the seasons change, everyone will complain about the things that suck about summer: how hot it is, how expensive gas becomes, and those damn mosquitos.

Bug bites aren’t pleasant, but this video is pretty cool in that it explains the complicated science involved, from bite, to itch. As it turns out, the reason we scratch so much is completely our own fault — but I suppose I’d rather have my body fight back in an annoying way, than experience the alternative.