Mix two parts cornstarch and one part water. Swirl your fingers in it slowly and the mixture is a smoothly flowing liquid. Punch it quickly with your fist and you meet a rubbery solid -- so solid you ...

The same way it works to degrease your hair, cornstarch can help remove oil stains on clothes. Pour a small scoop over a ...

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"Mad" scientist? Let's get real. Real-life scientists are pretty much like the rest of us. But they do have a lot of experiments to show you, some of which can make great special effects. For secret ...