Introduction: Try this at home!
Sweet scenarios. Can Mentos and diet cola really create a foam geyser? ; Are Mentos and diet cola the only way to make a geyser? ; Can cola shine a penny? ; Does cola work as a grease stain remover? ; Can cola dissolve a steak in 48 hours? ; Can cola loosen a rusty bolt? ; Can cola and aluminum foil polish chrome? ; Can cola dissolve a human tooth? ; Can a silver spoon at the top of a bottle keep a beverage bubbly?; Are Pop rocks and cola really a lethal combination? ; Are there more nutrients in a cereal box than in most cereals?
Cool tests. Does a clothed snowman melt more slowly than an unclothed snowman? ; Does running in the rain keep you drier than walking? ; Try this: Make your own rain gauge ; What's the fastest way to cool a beverage? ; Try this: What's the best way to keep a six-pack of soda cold? ; Try this: Make your own snowflake : different every time! ; Try this: Make your own icicles
Hot topics. Is milk really the best way to stop chili peppers from burning your mouth? ; Will burning wood in a fireplace really cool your house instead of heating it? ; Try this: What's the best way to pop popcorn?
Plant power. Does talking to your plants really help them grow? ; Is it possible to treat your Christmas tree so the needles won't fall off? ; Try this: Observe colorful transformations from transpiration ; Try this: Does the presence of a plant affect the rate of evaporation? ; Try this: Separate the pigments in the plant leaves ; Can you really power an MP3 player with an onion and a sports drink?
More than meets the eye. Are some items we touch regularly dirtier than a toilet? ; Do bacteria really grow on your toothbrush? ; Is double-dipping truly as bad as sticking your whole mouth in the dish? ; Does the five-second rule really work? ; Try this: Test the effect of hand washing on mold growth ; Do bananas ripen faster when left out? ; Try this: See the difference in how quickly pasteurized, non-pasteurized, and ultra pasteurized milk goes bad
Forces in action. Can you really lift a sunken ship using ping-pong balls? ; Try this: Make your own electroscope ; Try this: Make a wallet with duct tape ; Can magnets erase the information on your credit cards? ; Try this: Construct your own galvanometer ; Does a lemon battery really work? ; Try this: Light a light bulb with your lemon battery ; Try this: Make your own water rocket ; Is it possible to pull apart two phone books that are laid down with alternating pages?
Mysterious miscellany. Are yawns really contagious? ; Does toast always fall with the buttered side down? ; Does wearing eye-black really reduce glare from the sun? ; Try this: Make a volcano with baking soda and vinegar ; Try this: Make an acid indicator from cabbage ; Is a fish's memory really only three seconds long?