Findings on the 'vital' heart valve of Crocodiles
An unusual heart valve in crocodiles that has puzzled scientists for nearly 200 years has finally been explained, and the finding may reveal how crocs stay underwater for hours.The valve diverts
An unusual heart valve in crocodiles that has puzzled scientists for nearly 200 years has finally been explained, and the finding may reveal how crocs stay underwater for hours.The valve diverts