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January 24, 2011 / Martijn

Scientists Use Light to Make Worms ‘Dance’

Forget the flea circus. Two teams of scientists have independently developed the beginnings of a technologically sophisticated worm circus. They combined genetic engineering with a novel tracking approach in order to illuminate specific cells in the microscopic worm C. elegans and control the organisms’ movement, making the animals slither forward or backward. With a flash of light, they could even stimulate the worms to lay eggs.



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