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Komando picks

Artificial leaf technology could one day power our world

We love energy. Well, more specifically, we love all the cool tech that runs on it. We’ve even fought wars over power — and we always want more. But as hard as we try, we just can’t create new energy as efficiently as nature. Plants have a perfect system that creates energy with just water, sunlight and carbon dioxide. Maybe we can copy that?

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Stop robocalls once and for all

Robocalls are not only annoying, but they scam Americans out of millions every year. Learn Kim's tricks for stopping them for good in this handy guide.

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