Sand scorpions, nocturnal hunters who spend their days in burrows, also leave distinct tracks.

Leaf shape can vary considerably. The most common shapes include oval, truncate, elliptical, lanceolate, and linear. Leaf tips and bases may also be unique, with names based on their shapes.

A credit card that gives you bonus rewards on gas station spending is a smart way to save money every time you fill up. And many of the top credit cards for gas rewards also have other benefits or ...