Teeth are good for chewing and biting, but they are also sensitive – and that may have been their original function hundreds ...

Hundreds of millions of years ago, fish had sensory features on their exoskeletons that contained dentine, the material that makes our teeth sensitive today ...

[to] one man, one place, one date." Laying the Groundwork: Levene Investigates the Structure of DNA Meanwhile, even as Miescher's name fell into obscurity by the twentieth century, other ...