Komodo dragons have iron-coated teeth, scientists find

Reptile's teeth found to have covering that helps keep serrated edges razor sharp and resistant to wear

With their huge size, venomous bite and the fantastical connotations of their name, Komodo dragons seem like the stuff of legend.

Now, that status has been elevated further: scientists have discovered that their teeth are coated with a layer of iron that helps keep their serrated edges razor sharp.