Think your job is bad? Quit whining, unless you're a shrimper in the Gulf of Mexico.
Commercial fishermen have the highest rate of on-the-job fatalities of any occupation in the country — 116 deaths per 100,000 workers in 2010. A majority of the deaths happen when a fishing vessel sinks. About a third occur when someone goes overboard.
Scientists are beginning to understand how people tune in to a single voice in a crowded, noisy room.
This ability, known as the "cocktail party effect," appears to rely on areas of the brain that have completely filtered out unwanted sounds, researchers report in the journal Neuron. So when a person decides to focus on a particular speaker, other speakers "have no representation in those [brain] areas," says Elana Zion Golumbic of Columbia University.