BEIJING, March 24 (Xinhua) -- Fish fossils, dating back about 425 million years ago, are providing insights into the evolution of scales on bony fishes. Diversified scales are one of the most obvious ...
(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 ...
Fresh fish is always the goal, and this one crucial sign can clue you in as to how old a fish is. Don't buy it before ...
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