PARENTS
02/18/2014 02:33 pm ET Updated Feb 18, 2014

Big Brother Uses Baby Sister For A Science Lesson That Will Definitely Stick With Her

See, little sisters ARE good for something. Here, baby Cate is helping her big bro understand static cling. Or, her head is, at least.

Cate may be an innocent bystander, but it's all in the name of science. The video was uploaded in 2011, and it looks like the lesson really stuck with her.

(hat tip: Daily Picks And Flicks)

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