In 1973, NASA sent two spiders into space to test web-building without gravity: How Arabella and Anita learned, adapted, and spun complete webs in orbit

NASA sent two spiders, Arabella and Anita, into space in 1973. These spiders successfully adapted to zero gravity and built webs. A high school student proposed this experiment to study adaptation. The spiders’ webs showed finer threads and evolving symmetry over time. This experiment demonstrated life’s ability to adjust to new circumstances.
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