The squirrel ninjas triumph again. Mark Rober may be a former NASA and Apple engineer but the squirrels in his backyard are smarter than his obstacle course. After version 1.0 of the squirrel maze ...

Parkour enthusiasts need look no further than up in the trees for inspiration. Squirrels’ aerial acrobatics make the rodents masters of the form, a new study suggests. A detailed look at how squirrels ...

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