Word: seamount
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Dates: during 1990-1999
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Klimley also discovered what may be the reason the hammerheads school year after year at an undersea mountain known as Espiritu Santo, 15 miles east of the Baja Peninsula. The metal-rich seamount, he found, has a particularly strong magnetic field. So do bands of ancient congealed lava that radiate from the seamount like spokes from a wheel. The hammerheads, he believes, can detect this magnetism and use it for navigation. The seamount is essentially a depot: the hammerheads gather there before going out to their feeding grounds...
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