These spiders may have the world’s fastest body clocks
Three arachnid species experience the equivalent of five-hour jet lag every day
![spiny orb weaver](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/11/111317_MQ_circadianspider_feat.jpg?fit=860%2C460&ssl=1)
TIME WARP This spiny orb weaver and two of its relatives may have evolved an impossibly short circadian clock by spinning their webs before dawn to avoid predators.
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