With razor sharp interlocking teeth piranhas can shred fish muscle and even small bones while hunting or scavenging.

Piranhas, notorious for sharp teeth and powerful bites, are specialized freshwater predators. Their anatomy and feeding ...

In this week's Moment of Science, Chandlor Jordan explains the true power creatures across the animal kingdom.

FISH SCALES have to be tough, to provide protection, flexible, to permit movement and light, to preserve buoyancy. These conflicting requirements have driven the evolution of scales that can endure ...