The new UE Fits wireless earbuds from Ultimate Ears have gel-filled eartips that harden and mold to the exact contours of your ear. The process takes under 60 seconds.

Sometimes a baby's outer ear may be a tad misshapen. Surgery can help later on, but a plastic mold makes the most of the fact that a newborn's ears are pliable. They can reshape within weeks.

As for my left ear, well, I’m holding the phone in my left hand! So I leave that one alone. (No, I wasn’t smart enough to realize I could just put my phone down and have both hands free to ...

Lantos Technologies, a small startup spun out of MIT, has created the first FDA-cleared digital ear-canal scanner. While that may seem wildly specific, and maybe a little gross, it could ...