Sound waves from fin whale songs could help us study Earth’s crust

Seismologists studying earthquake activity off the US coast recorded fin whale songs, which they found can be used to tell the thickness and makeup of Earth’s crust

Source:
https://www.newscientist.com/article/2267630-sound-waves-from-fin-whale-songs-could-help-us-study-earths-crust/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home