When it comes to creative survival tactics in the animal kingdom, few creatures can compete with a small, spiky reptile that weaponizes its own blood. The greater short-horned lizard (Phrynosoma ...
Out in the dry scrublands of the American West, a squat, spine-covered reptile spends its days nearly invisible against the sand, dust and stone. The greater short-horned lizard (Phrynosoma hernandesi ...
Researchers say a tiny one-eyed ancestor that lived nearly 600 million years ago may have shaped the evolution of every vertebrate eye, including our own. They also found that its ancient median eye ...