Interesting Shark Facts

Since it is Shark Week it is appropriate that we look at some interesting stuff about sharks…when will discovery have a Cow Week, they should cows kill more people every year than sharks and are far more vicious and nasty.

Anyway I digress…let’s look at sharks teeth. it seems they are pretty cool…perhaps we could get some genetic modification going to engineering this useful feature.

[S]harks, as a group, do have one evolutionary leg (fin?) up on us humans — one that has nothing to do with the terrifying sharpness of their enormous teeth and everything to do with the evolutionary resilience of those teeth. Sharks, it turns out, can’t get cavities. 

In part, that puts sharks in company with most non-human animals. While creatures who don’t have access to Colgate have dental problems just like we do— among them tartar buildup that can cause gum disease — cavities are a largely human affliction, the result (for the most part) of our affinity for sugar.

What makes sharks unique, however, is that their teeth seem to be coated in fluoride. Yes: coated in fluoride. According to research published last year in the Journal of Structural Biology, at least two species of sharks, makos and tiger sharks, feature teeth whose outer coatings “contained one hundred percent fluoride.” Which is a nice cuspid coup. It’d be, for us, essentially like walking around with a perma-coating of toothpaste on our teeth.

 


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As much at home writing editorials as being the subject of them, Cam has won awards, including the Canon Media Award for his work on the Len Brown/Bevan Chuang story. When he’s not creating the news, he tends to be in it, with protagonists using the courts, media and social media to deliver financial as well as death threats.

They say that news is something that someone, somewhere, wants kept quiet. Cam Slater doesn’t do quiet and, as a result, he is a polarising, controversial but highly effective journalist who takes no prisoners.

He is fearless in his pursuit of a story.

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