These "elevator" rudists, an ancient bivalve, used one long heavy valve to anchor...
Dr. Stephen Cairns
Dr. Stephen Cairns is a research zoologist and chair of the Department of...
Biomes: Wild Arctic
This lesson investigates how sea ice is critical to the plants and animals that...
Tue, 07/19/2011 - 16:03
How Do Sea Lions Swim?
A family of tourists in Canada’s Steveston Harbor recently got a treat when a...