Grasshoppers evolve a sound that allows them to be heard over traffic

While humans might not be making too much noise in the oceans, above ground it's a whole different story. In fact, even insects are having to adapt to the huge amount of noise pollution created by humans — grasshoppers are having to up the volume to be heard over traffic. » 11/15/12 8:20am 11/15/12 8:20am