Hundreds of millions of years ago the oceans teamed with eel-like conodonts that had incredibly sharp teeth, fossils show

The tiny teeth of a long-extinct vertebrate – with tips only two micrometres across: one twentieth the width of a human hair – are the sharpest dental structures ever measured, new research from the University of Bristol and Monash University, … Continue reading

Marine biodiversity driven by environmental changes

Our most important source for knowledge about past life is the fossil record. But how exact is it in telling us about the history of life? According to a new study in Science the evolution of marine life over the … Continue reading