Bioacoustics is the study of the relation between living organisms and sound, focusing on the neurophysiological, anatomical, and evolutionary basis of sounds produced and detected by animals, especially those involved in communication. It was established as a scientific discipline by Slovene biologist Ivan Regen, whose experiments with crickets in the early 20th century proved that insects respond to acoustic stimuli produced by other individuals. What animal sounds are humans unable to hear?
Back in the day
A military leader, Zeno married the daughter of Byzantine emperor Leo I in about 466 CE. When Leo I died, Zeno's seven-year-old son Leo II became emperor and Zeno was appointed co-emperor. Leo II died within the year, making Zeno sole emperor. Zeno made peace with the Vandals in Africa, put down a rebellion in Asia Minor, got the Ostrogoths to leave the Eastern Empire, and tried to solve the Monophysite controversy, causing a schism with Rome. Why did Zeno change his name from Tarasicodissa?
Born on a day like today
Miranda was a Brazilian singer and actress who, in the 1930s, was the most popular recording artist in Brazil, where she appeared in five films. Recruited by a Broadway producer, she made her US film debut in Down Argentine Way. Typecast as the "Brazilian Bombshell" and given such caricatural roles as "The Lady in the Tutti-Frutti Hat" in The Gang's All Here, she became the highest-paid female performer in the US during World War II. What was her final film?