Biologists value the intertidal zone as an easily observable model of ... of cold Pacific Ocean currents provides nutrient-rich water, winter freezes and rock-scraping ice are rare, and abundant ...

We were exploring the intertidal zone — that extraordinary world between ... as it pushed all the water out if its huge foot and folded itself, origami-style, back into its shell.

Spanning nearly a quarter of a million kilometres, Canada’s coastlines are home to one of the toughest habitats for any creature to live in: the intertidal zone, a place where the ocean meets ...