With a new addition to the category of “uniquely human features,” MIT neuroscientists discovered a feature of human—not animal—brain cells. Certain human brain cells have much longer extensions called dendrites, and this research team found a uniquely human reason for it.
 

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.