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Stay-at-home science project: Leave some “fossil” footprints

What dinosaur made this track? Ah yes, ol' Saladtongosaurus. (John Kennedy/) Welcome to PopSci’s at-home science projects series. On weekdays at noon, we’ll be posting new projects that use ...
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Stay-at-home science project: Make ice cream in a bag

Few things are better than ice cream you've made yourself. (John Kennedy/) Welcome to PopSci’s at-home science projects series. On weekdays at noon, we’ll be posting new projects that use ingredients ...