The rotary engine is easily one of the most controversial powertrains in the world of cars, and it's known for the brap-brap ...

Some people hear a persistent hum that nobody else notices. Researchers investigated the mystery and found a surprising possible cause.

A recent study from the Norwegian University of Science and Technology (NTNU), published in PLOS ONE, provides evidence that, ...

Some people occasionally hear a low buzzing or humming sound that doesn't have a clear source. An estimated 2–4% of the world's population hear this. Scientists have been trying to figure out for ...