Science and technology

Associated Press
This undated photo released by Museum Victoria shows a Paucidentomys vermidax, a new species of rat, that was found in the forests of southern Sulawesi Island, Indonesia, in 2011. The unique rat that lives off earthworms and doesn't chew or gnaw is the only rodent out of more than 2,200 known species that does not have molars and instead has bicuspid upper incisors. (AP Photo/Museum Victoria, Kevin Rowe) NO SALES

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