Life Lines by Dr. Dolittle

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Tag Archive for ‘mole rat’

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Researchers discover cause of hearing loss in an underground dweller

Naked mole rats are rather extreme animals in many ways. As underground dwellers, they live in chronically hypoxic environments and are blind. These animals also age more slowly than other mammals and are resistant to developing cancer even though they are long-lived. Did you also know, they are hard of hearing? In a new study published in Current Biology, researchers have discovered the cause of their hearing loss. The inner […]

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Evolution of pain resistance

Could you imagine eating a pile of chile peppers or spicy hot mustard and not feeling any pain? The ability to sense pain is physiologically quite important as it alerts us to potentially dangerous or poisonous chemicals. Many plants (stinging nettles, pungent bulbs, hot chilies) and animals (stinging ants, scorpions, snakes) produce noxious chemicals to protect themselves from predators. In turn, some predators have evolved resistance to these chemicals. An […]

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