There are more ants on Earth than there are birds and mammals put together, according to research from the Universities of Hong Kong and Würzburg in Germany. An estimate of the number of ants on Earth was made in a recent study that was published in PNAS on September 19. That's 20 with 15 zeros after it; that's a lot. According to Patrick Schultheiss, the study's lead … [Read more...] about Study finds, ants outnumber all birds and mammals combined on Earth