Sound moves faster in water…? We may need fish to get us to Mars…? There was a robot in the 15th century…? Here are fun facts about science… WATCH OUR OTHER VIDEOS: ►25 Shocking Scientific Predictions ...

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Discover interesting facts about how evolution works, the different patterns that can emerge from evolution, how quickly organisms can evolve, and whether evolution is a random or ordered process When ...

How many legs do insects have? Insects have six legs. These legs are attached to the central part of an insect's body, the thorax, and they are controlled by muscles in the thorax. Insects have hearts ...