Pain free, thanks to evolution

African mole-rats are insensitive to many different kinds of pain. This characteristic has even allowed mole-rats to populate new habitats, researchers report. Thanks to a genetic change, the highveld mole-rat is able to live alongside venomous ants with painful stings that other mole-rats avoid.

from Latest Science News -- ScienceDaily http://bit.ly/2MgECrL

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