Anyone who has ever squirmed through a dental cleaning can tell you how sensitive teeth can be. This sensitivity gives ...

Sharks, skates and catfish also have tooth-like structures called denticles that make their skin feel like sandpaper. When ...

New research shows that dentine, the inner layer of teeth that transmits sensory information to nerves inside the pulp, first evolved as sensory tissue in the armored exoskeletons of ancient fish.

Explore Thunder Bay and discover the breathtaking views of Lake Superior, a stunning natural wonder with rich history.

For more than 100,000 years, coastal communities have harvested abalone (genus Haliotis). These gastropods, which are found ...

Get a pack of red, white and blue tissue paper and fold back and forth, accordion-style, to create the fan-like shapes. Either tape or staple together the ends to make it round and voilà!