If you notice a bump in or around your ear, it's likely to be either a pimple or a boil. It can be both uncomfortable and ...
Medically reviewed by William Truswell, MD A lump behind the ear can have many possible causes. The most common include ...
A vestigial trait is something that an organism has that once served a purpose that over time and the course of evolution has ceased to be useful. We see it in goosebumps, which were more effective ...