Lake of Superlatives

Deepest, largest, oldest – Lake Baikal in Siberia is unique. Formed an estimated 25 million years ago in an ancient rift valley, it holds 20% of the world’s unfrozen freshwater, more than all the North American Great Lakes combined. At 5,371 ft (1,637 m) deep, it is the deepest. It is 395.2 miles (636 km)…

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Fragile Armour

Pangolins, or the scaly anteater, are a strange branch on the phylogenetic tree of mammals. A single order, Pholidota, with one extant family, Manidae, with one single genus, Manis, comprised of the eight remaining species at left. They are the only mammals with hard keratin scales, and this undoubtedly is part of the reason they…

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