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What do charts tell us?

Charts are maps of the sea. As maps show distances, roads and railways, hills and woods and many other features of the land, so charts show distances over stretches of sea, the depth of the water round coasts, dangers to shipping such as rocks and sand banks, tidal currents, the position of lighthouses, marker buoys and other information vital to …

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What did a mammoth eat?

The mammoth fed entirely on plants. In other words, it was a herbivore – like its smaller relative, the elephant of today. These colossal animals, whose name has become another word for hugeness, must have needed a great amount of vegetation to keep themselves alive. In a broad sense, the name mammoth has come to be applied to any extinct …

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