Making teeth tough: Beavers show way to improve our enamel

Beavers don't brush their teeth, and they don't drink fluoridated water, but a new Northwestern University study reports beavers do have protection against tooth decay built into the chemical structure of their teeth: iron.

Beavers keep riparian systems healthy

In some circles, beavers have long been considered pests that damage trees, clog up culverts, and build dams that inhibit or alter the natural flow of waterways. But, to two University of Wyoming researchers, the crafty critters ...

Found: One beaver

A mystery beaver sighted in Devon could be the first case of the wild animal in England for 800 years.

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