The Science Siblings love an at-home experiment. Paige and Adam Jacobson went the chemistry route with this one, concocting “elephant toothpaste.” Start by adding the food coloring to the hydrogen ...

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Earlier this year, Nick Uhas, David Dobrik and some other members of the latter’s Vlog Squad, attempted to pull off the world’s largest “elephant’s toothpaste” experiment. And even though it went ...

YouTuber and former NASA engineer Mark Rober has destroyed the Guinness World Record for tallest-ever elephant toothpaste fountain. Rober and his team created the fountain of colorful, reactive foam ...