Two white-blooded fish, two paths: Icefish and noodlefish independently lose red blood cell function

Antarctic icefish are famous for living without red blood cells, but they are not alone. A species of needle-shaped, ...
Donga Science

A Horse's Powerful Heart and Legs Are Built for Speed

How Far Can a Horse See? ●Looking Around with Large Eyeballs A horse's eye has a structure similar to a human's. It is a ...