Not only do Komodo dragons have serrated, razor-sharp teeth that constantly replenish themselves — they're also iron-coated, according to a new study. It's the same protective coating found in ...

News World news Charles Darwin Giant razor-sharp teeth of extinct mega-shark stumbled on by chance in desert The massive haul of giant teeth from a prehistoric megalodon shark - which would have ...

Komodo dragons, the world’s largest species of lizard, have iron-tipped teeth that help them to rip their prey apart, according to new research. The metal is concentrated in the cutting edge and ...

The predatory fish have 500 pointy teeth in multiple rows, which they use to latch onto their prey and shred them into digestible bits. And in order to make sure their chompers are up to the task ...