Shell Day
Helen Scales
"An hourly guide that follows twenty-four mollusks to reveal the fascinating lives behind the shells. From morning to night and from the Arctic to the equator, snails, clams, and other shell-making mollusks have busy days. In this short book, award-winning author and marine biologist Helen Scales shows readers exactly how these animals spend their time. Far in the north, the Svalbard archipelago lies deep in the darkness of the polar night. And yet, in what remains a scientific mystery, Iceland scallops continue daily rhythms, closing and opening their fan-shaped shells using an internal clock. By nine in the morning, the sun penetrates the waters of a coral reef in the Philippines, where a giant clam slowly opens twinned shells. A fleshy mantle sticks out like a crimped smile, painted in swipes of lipstick in shades of turquoise, cobalt, and violet. These dazzling colors are not there to impress other clams. They're a by-product of a s
Shell Day
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