The first time anthropologist Nicole Smith-Guzmán noticed a nob of bone protruding from the ear canal of an ancient skull in Panama, she didn’t know what to make of it. “I never expected to find this sort of bony growth because we’re taught this is a cold-water thing.” And the isthmus of Panama is nothing if not tropical.
The little spur Smith-Guzmán identified had created a slight mound in the skull’s ear canal—an annoying impediment for the person who once had to deal with it. Known as external auditory exostoses, or EAE, the bony masses can be globular or shaped like teardrops. Depending on their severity, these growths, commonly called “surfer’s ear” today, can cause repeat ear infections and even deafness.
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Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.