All five answers to the questions below have something in common. Can you figure it out?

the Persian god Mithras was popular with the Roman legions – many of whose soldiers had served in Persia – and shrines to him have been found in Britain, Syria, and across North Africa.

The ban, apparently given by a local river god, has outraged children's activists ... could miss out on their education. Sub-Saharan Africa is already struggling to keep girls in school during ...

It is found across the Central Indo-Pacific, including within the cave of the Puerto Princesa Subterranean River. This new moray eel is named after the underworld god Hades for its distinctive ...