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The cola and Mentos experiment, which later became an internet sensation, was first publicly demonstrated by Lee Marek and 'Marek's Kid Scientists' on the Late Show with David Letterman in 1999.

The carbon dioxide molecules collect on these places and form bubbles which rise to the surface. Make a Mentos-and-Soda Fountain! There is a pretty cool thing you can do with a bottle of soda pop and ...

The cola and Mentos experiment first captivated audiences in 1999 on The Late Show with David Letterman, performed by Lee Marek and his ‘Kid Scientists.’ There was also a video of Letterman ...