A black and tan beer packs contrasting colors and pleasing flavors. A black and blue does, too, but makes a key change to the ...

This boozy blue cocktail features a double-whammy of tequila ... Vodka meets a classic Southern refreshment in this black tea ...

Directions: Dip a lowball glass rim in simple syrup and then into sugar. Add ice, then vodka, Curacao and lemon juice. Top it off with the soda, stir and garnish with blue Peeps.

The first of three cocktail competitions will take place at the COSI After Dark event on Thursday night. Ten mixologists will craft cocktails inspired by famous scientists and their discoveries.