Add Yahoo as a preferred source to see more of our stories on Google. Ladybugs lay down "trails" of scents to help guide other ladybugs to a meetup spot. Photograph By Javier Torrent/VWPics/Redux It’s ...

Just like “the dress” divided the internet a decade ago, the insect smell question is one of the latest debates. So, why do some people pick up these odors, while others don’t? The answer goes back to ...