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Hydroelectricity can be an environmentally friendly source of energy, especially compared to fossil fuels. But it also comes with a risk of mercury poisoning.

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Mussels filter food out of the water with their gills. That makes them a great tool for testing water quality.

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Sleep can seem like a total waste of time. In fact, it helps boost your memory and your immune system.

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Above all, sports are a great way of staying physically fit. And physical fitness is important for anyone at any age. But playing sports also helps your psychological and social development.

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Scientists can’t bring people back from the dead just yet. However, they have discovered that some parts of your cells remain active long after you die.

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Bee venom can spread quickly through your body and attack your cells. Usually, the damage is minor and symptoms disappear within a few days. But if you’re allergic to bee stings, the reaction can be deadly.

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No matter how you feel about tofu, you’ll probably think it’s pretty neat once you hear how it’s made!

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Scientists have found thousands of planets that orbit other stars, just like Earth orbits the Sun. Some of them might even be able to support life.

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Every now and then, a human foot washes up on the shore, usually wearing a running shoe. But where did it come from, and where’s the rest of the body.

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Have you ever looked at a lake and wondered why there was a thick layer of green scum on the water? Chances are, you were looking at an eutrophic lake.

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