[ad_1] The first wings on Earth may have evolved from the sunken legs of an ancient flightless crustacean. Today, modern crabs, lobsters, shrimp and shrimp are sometimes called sea bugs, and as part of the arthropod family, which is characterized by strong armor and segmented joints, the name makes sense. …
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[ad_1] Nature has a way to put our best technology to shame. For decades now, scientists have been trying to produce the ultimate acoustic absorber, a carefully designed material that can handle acoustic waves for stealthy movement or simple peace and quiet. Apparently, however, that precious “metastructure” may already exist …
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[ad_1] Tencent and Ali meet anti-monopoly: are they basically left or right? In reality “the mountain is still that mountain”Sina Beijing has another heavy hand in anti-monopoly, and the e-commerce giants may not be any betterChinese website VOA-Mandarin VOA Antitrust guidelines on platform economy will be introduced, Meituan plunges 10%, …
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