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You know water boils at 100º C (212º F). But did you know that you can make water dance too? You can! It’s called the Leidenfrost Effect. By adding a water droplet to a pan of boiling water, you can s ...
Hipervinculo Biología
Did you know that you eat live bacteria? You do! Well, if you eat yogurt, that is. Yogurt is made from milk and bacteria called “yogurt cultures.” Did you think bacteria would taste so good? There are ...
Hipervinculo Biología
There’s a sound that is supposed to annoy teenagers and keep them from loitering in front of shops and stores. It’s called the Mosquito, and it’s supposed to be undetectable by adults. Take some volun ...
Hipervinculo Física
Water molecules are busy dancing around all the time. But the dance really gets interesting when you add heat to them.The hotter molecules get, the faster they move, turning from water to steam. And w ...
The Golden Arches, the Mac’s once-bitten Apple, the swirl of Pepsi’s blue and red—these are all logos. Logos are part of each company’s brand, and children are more shopping-savvy because of them. But ...
The fun of the great outdoors is too often accompanied by the sting of an annoying mosquito. You've probably tried to keep the bugs away with stinky repellent, but there has to be a better option, rig ...
Hipervinculo Física
Soil and energy don't go together, right? One seems natural and a bit on the messy side while the other is a mysterious force that powers everything from our toasters to our cars. What two things coul ...
Hipervinculo Física
How many times have gone to the fridge for a drink, only to find that your favorite cans aren’t in there? It’s 90 degrees out and you’re thirsty! Now, you’ve got to find the fastest way possible to ch ...
Hipervinculo Física
Every winter, you get zapped; it never fails! Static electricity—an electric charge caused by things touching together—is one of those strange forces that you can't see, but you can feel (like gravity ...
Hipervinculo Biología
Have your parents ever brought back some avocados from the grocery store that were rock hard? It’s not worth waiting a whole week just to make sure your delicious avocados ripen! In this science exper ...
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