CAMBRIDGE, England, Jan. 20 -- The British Antarctic Survey issued the following news release: * * * Making waves: researchers set out to uncover secrets of Antarctica's underwater tsunamis An international team of researchers, led by British Antarctic Survey (BAS), is setting out to discover how glacier calving around Antarctica can trigger powerful underwater tsunamis. When icebergs break off glacier fronts and fall into the ocean (a process called calving) they can create powerful underw more PR