The whale known as 52 Blue is famous for a call around 52 hertz, but the science is more careful than the myth of the loneliest whale. The post For decades, marine biologists have followed a lone whale in the North Pacific known as “52 Blue” because it sings at a frequency of 52 hertz — far higher than the great baleen whales it swims among — meaning that for its entire life it has been calling out into the dark in a voice that, as far as anyone knows, no other whale has ever answered appeared f