"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." We’re willing to bet it’s been a minute since you prepared slides in a science lab. If your kid’s back-to ...

This article is part of Gizmodo Deals, produced separately from the editorial team. We may earn a commission when you buy through links on the site. You niece, nephew, daughter, or son can be just ...

Eight-year-old S. Hariraj is a Foldscope devotee. He's used it to look at the milk from the cows his parents raise. Though the milk looks creamy, the Foldscope reveals a world of microorganisms. "It ...

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