salt

Life Lines

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Thirsting for turtle tears

The Amazon region is notoriously deficient in sodium because of its large distance from the ocean and because the Andes mountains block the delivery of windblown minerals from the West. Some minerals travel from the east, but much of the air is cleaned by rain before the minerals can make it to the western region…

Could camels hold secret to survival?

Bactrian camels thrive in conditions considered harsh by many standards: very dry, cold, high elevations. Researchers now suspect their physiological adaptations of high blood sugar, high salt diets, and increased body fat may have evolved to help the animals cope with their environment. For humans, those symptoms could lead to heart disease, but for the Bactrian…