HumansWhen does a bone become a fossil? As organic material in a bone gets replaced by minerals over time, it becomes a fossil. But that can happen at different rates even within the same individual News
LifeBroad-nosed ancient shark was one of earliest fish to smell in stereo Fossils found in Morocco show the sensory specialisation of a 365-million-year-old shark, given the species name Maghriboselache mohamezanei News