Wan Tin-yan, 16, NTHYK Tai Po District Secondary School Your favourite weird food combinations Clearly, the best letter in the alphabet is T, because T relates to the best thing in the world - T(ea).

Harris remembered an Air Force instructor who had shown him a secret code based on a five-by-five alphabet matrix. Each letter was communicated by tapping two numbers: the first designated the ...

In all forms of life on earth, genetic information is composed of a four-letter alphabet—the nucleotides G, C, A, and T, which form the base pairs G-C and A-T. But three years ago, chemistry professor ...