Mr Fawehinmi now succeeds Mathew Adamu, also a professor, who has served in an acting capacity since 11 August.

In the hilly heartland of Romania, where Transylvania’s spired castles and ancient villages famously served as the backdrop for Bram Stoker’s “Dracula,” medieval history feels very close at hand.

This video revealed how Homo sapiens once lived in constant fear of a stronger, faster, more ruthless human species. It ...