Learning Aids

The ancient Egyptians were amazed by the scarab beetle. Its beautiful, color-shifting exoskeleton — which mirrors light in tones of purple, blue, r...

  Just like its name implies, Liquid Glass Thinking Putty® is unlike anything you’ve ever seen. This crystal-clear creation is so transparent that...

In search of the perfect wave? Try an electromagnetic one. Just like the ocean’s tidal forces, electromagnetic forces are incredibly powerful and a...

If you’ve ever noticed a light red sky after a snowfall, you have seen the Albedo effect. Albedo measures the reflectivity of the Earth’s surface. ...

Foxfire is the name of an eerie glow created by phosphorescent fungi in decaying wood. A natural wonder, foxfire is often associated with magical t...

Twilight is the time of day when the sun sets into dusk. As the sun dips below the horizon, its rays refract and scatter against the atmosphere to ...