The heart of the world's tallest creature, the giraffe, has many features. The giraffe's neck is up to 6 feet high. This means that the brain is located at a height above the body. Pumping blood to the brain, which...
Two years ago, on April 20, 2019, scientists received a unique radio signal from Alpha Centauri, 4 light years away from us. After much study, scientists arrived on December 20, 2020, concluding that it was more likely to be an...
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