From late nights to long flights, it's all too easy to disrupt the body clock. While switching time zones can seem like a drag, new research suggests that humans aren't the only ones affected by circadian rhythms. | -> Read more

According to a study reported at the Society for Neuroscience’s annual meeting, three species of orb-weaving spiders may have the shortest natural circadian rhythms in the animal kingdom. Every day Allocyclosa bifurca, Cyclosa turbinata and Gasteracantha cancriformis experience the equivalent of five hours of jet lag, bought on by the act of spinning webs before dawn to arm themselves against predators....

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