Tag Archives: quot

Insect wings may have evolved from crustacean legs

[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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The Arecibo telescope suffered a fatal collapse, tearing it apart

[ad_1] The famous Arecibo Observatory telescope in Puerto Rico, which once starred in a James Bond film, collapsed on Tuesday when its 900-tonne receiving platform plummeted 140 meters onto the radio dish below. Engineers had recently warned of the massive facility’s decayed condition, and the US National Science Foundation (NSF) …

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