The popular swimming area typically opens mid-summer ... including one five-foot-deep human-made rock pool that gets busy in the summer. In-the-know locals head to less-crowded spots along ...

Off the shore of the village of Porto Moniz on the northwestern coast of Portugal’s Madeira Island, swimmers float in a network of crystal clear seawater pools that reflect the azure of the sky.

They investigate the changing levels of dissolved oxygen in an intertidal environment at night and how the rock pool inhabitants’ behaviour alters in response to this. At night the rock pool is ...

They investigate the changing levels of dissolved oxygen in an intertidal environment at night and how the rock pool inhabitants’ behaviour alters in response to this. At night the rock pool is ...