In 1994 Jaap Haartsen and his colleagues set out to connect two nearby devices without a cord. It seems simple now, but they had no idea how to make it work. Eventually, they devised a plan to send ...

This week a reader writes, “I wonder if you could give me any suggestions on what would help me to hear the TV because my hearing is extremely impaired. I do have some expensive hearing aids that have ...

Not all disabilities are visible. Hearing loss affects nearly 16% of Americans — that’s 40 million adults aged 18 or older who have trouble hearing in some way that affects their day-to-day life.