Fish scales are essential when you catch a new personal best and want to remember it for the rest of your life. Good scales are accurate, easy to use, and have great battery life for when you need ...

(CNN) — A huge fish that is impervious to piranha attacks could become the inspiration for a new class of ultratough composite materials. Its scales are so tough that piranha teeth crack when they ...

Scales provide optical disguise, low water drag and mechanical protection to fish, enabling them to survive catastrophic environmental disasters, predators and microorganisms. The unique structures ...