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How Does a Spider Spin Its Web; Step on Making Orb WebbingHow Does a Spider Spin Its Web; Step on Making Orb Webbing

Itsy bitsy spiders—and some that aren’t so itsy bitsy—live everywhere on Earth, except for the Polar Regions. They crawl around in dry deserts, on mountains, below ground, in oceans—possibly in some corners of your home. Most spiders are web masters.…

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How To Make a BlubberHow To Make a Blubber

Brrrr! That's what most people shout when they jump into cold water. Humans can't swim very long in very chilly water without a wet suit. But marine mammals, like polar bears and walruses, have no problem diving into icy seas. How come? One word: blu…

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How to Make a CompassHow to Make a Compass

It’s not easy to get lost. Today, people have excellent maps and GPS satellite system that shows us where we are. A thousand years ago, people didn’t have either. When they were sailing on the ocean, it was tough to figure out their location. Around …

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