The Frequency Festival's seven concerts include Chicago or U.S. debuts by Zosha Warpeha, Angharad Davies, and Pat Thomas & ...

Anybody can develop high frequency hearing loss, but it becomes more common with age. Exposure to loud sounds or high frequency sounds are common causes of ear damage in younger people.

Relative return is the difference between the absolute return and the performance of the market. Traders commonly use a benchmark, like an index, to accurately measure their investment's return ...