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Scientists have long known that spiders are able to fly through a behavior called balloon, where they release silk filaments that are carried by the wind. The researchers, however, have proved that spiders can fly just using the Earth's electric fields. ( Manuel Romero | Pixabay )
Spiders can fly at high altitude and over long distances through a behavior called balloon, and a new study has revealed that the Earth's electric field stimulates theft insects.
Hot air balloons have long been known to scientists. However, the exact details of the mechanism behind the mysterious behavior have remained unexplained until now.
How do spiders fly?
Scientists understand the hot air balloon process, which insects do when
Spiders stand on tiptoe, abdomens pointed upward and releasing silk filaments, which are then transported by the wind, allowing them to "hitchhike". A recent study found that spiders develop strategies prior to swelling because they determine whether wind conditions are favorable for flight before deploying their floss.
In a new study published in the journal Current Biology Erica Morley, of the University of Bristol, noted that aerostation only occurred during low winds, such as as light breezes. Some larger spiders are also able to fly even if the wind is not strong enough to pick them up. In addition, scientists have not determined what causes hot air balloons, which see thousands of spiders taking air simultaneously.
These things suggest that hot air ballooning depends on something other than wind.
Electric Field
It has been suggested that the electric fields of the Earth can affect the way spiders fly, but there is no evidence to prove it until the end of the day. study by Morley and his colleague Daniel Robert.
Morley and Robert have proved that spiders are able to detect electric fields by placing them on vertical strips of cardboard inside a plastic box. They then generated electric fields whose strength is similar to that of insects in outdoor environments. This ruffled the tiny hair on the feet of the spiders, known as trichobothria, and they began to stand at the end of their legs and stick their abdomen in the air. Spiders do this only before the balloon flight.
In fact, some spiders were able to fly, even inside closed boxes without wind that crossed them. When the electric fields were turned off, the rising spiders came down again.
While researchers believe that air currents still play a role in the balloon, Morley and Robert were able to show that the Earth's electric field is enough to send spiders. l & # 39; air.
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