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[publishedTime] => 2024-12-05 14:21:27
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[resumen] => Investigadores de la Universidad de Akron, Ohio, descubrieron que las arañas resorteras (Theridiosoma gemmosum) utilizan las vibraciones del aire, o sonido, para lanzar su telaraña y atrapar presas. Estas arañas, de menos de un centímetro de tamaño, forman telarañas con una línea de tensión que se pliega en forma de cono cuando detectan una posible presa. Los científicos Sarah Han y Todd Blackledge realizaron un estudio en el que presentaron a las arañas estímulos como mosquitos que batían las alas y un diapasón que vibraba a una frecuencia igual a la de un insecto alado. Los resultados mostraron que las arañas dependen de su sentido del sonido para encontrar el momento justo para atacar.
[title] => Estas arañas lanzan su telaraña hacia las presas. Y son fatalmente precisas.
[respuesta] => Utilizan las vibraciones del aire para lanzar su telaraña
[what] => Cómo lanzan su telaraña hacia las presas
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[0] => aráñas resorteras
[1] => vibraciones del aire
[2] => sonido
[3] => telaraña
[4] => presas
[5] => Universidad de Akron
[6] => Ohio
[7] => Sarah Han
[8] => Todd Blackledge
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[categoria] => Científica
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