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Harrison finds out lots of new stuff about teeth, including why some are sharp and some are flat, why birds have beaks instead of teeth!
Harrison finds out lots of new stuff about teeth, including why some are sharp and some are flat, why birds have beaks instead of teeth!
This feature is only available for subscribers. Please contact your EnhanceTV administrator or email help@enhancetv.com.au
Harrison's dentist explains how cavities are formed and what to do to prevent them.
Harrison conducts an experiment to find out what will happen to eggshells (and teeth) when exposed to juice, vinegar, or cola.
Harrison learns why teeth are different shapes and what they are used for.
Soft bodied invertebrates have no bones or major hard parts, which gives them some big advantages.
Many of the earth's scariest creatures are actually just trying to survive.
Heat can change things in surprising and amazing ways.
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