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The popular belief is that chameleons change color solely to disappear into their surroundings. While camouflage does play a part, it is not the only or even the primary reason. Chameleons also alter ...

For the first time ever, marine biologists have measured how much energy octopuses really need to change color — and it's a lot. When you purchase through links on our site, we may earn an affiliate ...

Red 40, Yellow 5, and Blue 1 may soon be history. Not because science says they're dangerous, but because the court of public opinion has ruled against them. In a move fueled more by consumer fears ...

This science challenge shows a surprising color-changing reaction using bleach and simple materials. The quick experiment highlights how chemical reactions can create dramatic visual results. A short, ...

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