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Beaver
Beavers are famously busy, and they turn their talents to reengineering the landscape as few other animals can. When sites are available, beavers burrow in the banks of rivers and lakes... More »
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en.wikipedia.org/wiki/Beaver

The beaver (genus Castor) is a large, primarily nocturnal, semiaquatic rodent. Castor includes ... A beaver's teeth grow continuously so that they will not be worn down by chewing on wood. Their four incisors are composed of hard orange ...

www.martinezbeavers.org/wordpress/faq/why-are-beaver-teeth-orange

Beave r teeth turn orange from the iron content in the food they eat. The hard orange enamel covers a softer layer underneath that constantly chisels away while ...

www.natureworldnews.com/articles/12784/20150217/why-beaver-teeth-ares-so-tough.htm

Feb 17, 2015 ... Even without brushing their teeth or drinking fluoridated water, beavers have remarkably strong teeth good for gnawing on wood. A new study ...

curiosity.com/topics/why-are-beaver-teeth-bright-orange-curiosity

The incisors of beaver are fortified with iron and appear a bright orange. Not only does the iron ... off cavities. The teeth also continuously grow and self-sharpen.

news.northwestern.edu/stories/2015/02/making-teeth-tough-beavers-show-way-to-improve-our-enamel-

Feb 12, 2015 ... EVANSTON, Ill. --- Beavers don't brush their teeth, and they don't drink fluoridated water, but a new Northwestern University study reports ...

www.beaversolutions.com/beaver-facts-biology-behavior

To obtain food and building materials, beavers are well known for their ability to topple large trees using nothing but their specially adapted incisor teeth and ...

sacramentodentistry.com/oral-health/beaver-teeth-and-your-dental-enamel

Jan 21, 2016 ... Scientists at Northwestern University are publishing a study about beaver tooth enamel. It turns out, beavers have very strong enamel with ...

www.untamedscience.com/biodiversity/north-american-beaver

Because the teeth have hard enamel up front and softer material called dentin in the back, this rodent's teeth are self-sharpening! Beavers use these teeth to cut ...

www.scientificamerican.com/podcast/episode/beaver-teeth-have-iron-advantage

Feb 23, 2015 ... Beaver enamel is rich in iron—which is even more effective than fluoride at staving off cavities. Christopher Intagliata reports.