A woman talks about how she and her siblings cracked a secret code their mother came up with to prevent them from figuring out the gifts left for them under the Christmas tree. This week, NPR's Rachel ...

DNA consists of a code language comprising four letters which make up what are known as codons, or words, each three letters long. Interpreting the language of the genetic code was the work of ...

This map hides more than just locations — it holds a secret code. Every mark, symbol, and line could be a clue. Can I put the pieces together and crack what’s hidden beneath? Canada offers to help ...