520-Million-Year-Old Fossil from China Fills Gap in Evolutionary History of Cephalopods
Paleontologists have identified the earliest-known cephalopod equipped with a siphuncle — a tubular extension of the mantle found…
Sperm Whales Use Bubbles as Ballast To Do Their Bizarre Vertical Rest
Schematic image showing sperm whales using bubbles while resting. Image purely for illustrative purposes. In one of the…