Kennedy Jr. was spotted on a plane adding a blue liquid to his drink in a viral video that has sparked speculation online.

A doctor took to X to reveal what he thinks that mysterious blue dye was that RFK Jr. was putting in his drink on an airplane as many X users have been wondering.

A video of Robert F Kennedy Jr showing him adding a mysterious bright blue substance to his drink led to controversy and curiosity on social media ...

Blueberry juice—along with many other berries, fruits, and vegetables—contains a substance called anthocyanin that changes color depending on whether it is mixed with an acid or a base. Blueberry ...

Students will mix these liquids with water that has been colored blue to see if the liquids have a characteristic way of mixing with water. Students will use their results to identify an unknown ...