Our scientific forefathers thought of germs as simple living things. They were oh, so wrong. Apparently, when it comes to living things, small does not mean simple. Two new discoveries about germs that live in or on human bodies take microbe ingenuity to a new level.
 

My wife recently read an article titled “Bear Dogs of El Paso” in a Texas magazine. The second sentence stated that “these ancient mammals” were “ancestral to both bears and dogs.”¹ She wanted to know if fossils really show this, so I started digging.