CAMBRIDGE, Mass--For almost a century, scientists have been puzzled by a process that is crucial to much of the life in Earth's oceans: Why does calcium carbonate, the tough material of seashells and ...
From sharp edges to choking hazards, here’s what veterinarians want dog owners to know about seashells. Seashells may look harmless, but they can cause cuts, choking, or dangerous intestinal blockages ...
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