Komodo dragons have iron-tipped teeth to tear into flesh
Researchers at King’s College London discovered that the serrated teeth of the giant lizards are tipped with iron, helping to ...
BBC1 年
Jurassic-era piranha is world's earliest flesh-eating fish
These Jurassic marauders used their razor teeth to tear chunks of flesh and fins off other fish. Other fish were found nearby which had been attacked by the ancient piranhas. "We have other fish ...