[Related: Scientists have 3D bioprinted functioning human brain tissue.] ...

Cuevas, a 48-year-old embryologist, is a resident of Chiva, a village perched on a hill about 30 kilometers (18 miles) from ...

When someone speaks, sound waves hit the eardrums, vibrating and sending signals to the brain. But unlike the clarity the eyes offer, ears can struggle in noisy environments, where many different ...