Richard Allen (Letters, March 4) suggests distributing wine in square bottles to save packing space and weight. But to replace a cylindrical bottle with a square one, assuming the same capacity, ...
Unlike the tails of almost all other animals, seahorse tails are more like square prisms than cylinders. Helmut Corneli/imageBROKER/Corbis Seahorse tails are peculiar appendages. Unlike those of most ...
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