Definition of payment due date: The date when payment should be received by the company.
In November 1776, methane was first scientifically identified by Italian physicist Alessandro Volta in the marshes of Lake Maggiore straddling Italy and Switzerland. Volta was inspired to search for the substance after reading a paper written by Benjamin Franklin about flammable air.
Cousteau (k-stÅ') French underwater explorer who helped develop the Aqua-Lung (an underwater breathing apparatus) and designed the bathyscaphe and a small, deep-sea submarine known as a diving saucer. Cousteau also devised an underwater television system and produced several films that widely popularized marine biology.