To something the size of a human, static electricity is, at most, a hair-raising experience.
C. elegans
The researchers suspected something external was contributing to these leaps since the worms' posture barely changed before jumping, and their tails barely moved while they were in the air. It was as though the worms were practically levitating from the substrate to the lid. The researchers measured the electrical potential difference between the substrate and lid for both materials. They found that the glass had a difference of almost zero, compared to a significant difference for the polystyrene. This suggested that electrostatic force helps power the worms' leaps.So, the team set up experiments to investigate. They constructed a simulated dirt substrate and placed an electrode above it. When no electrical field was generated, nolarvae leaped.
Sure enough, the worms – which are not parasitic – piled on, likely to catch a ride to disperse through the environment. In some cases, this hitchhiking occurred en masse in columns of up to 80 worms. Scientists knew about this hitchhiking but did not know how the worms got onto flying insects. This research answers that question.
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