When Dell was a kid, her sister was badly injured in an accident.  As her sister was being rushed to the hospital, a stranger stepped in to comfort Dell, a gesture she's never forgotten. Do you have your own story of an unsung hero? We'd love to hear it! Record a voice memo and email it to us at myunsunghero@hiddenbrain.org. Some guidance:-- Focus on ONE moment that you will never forget. -- Make sure you're in a quiet, non-echoey room.-- Speak conversationally, like you're talking to a friend (and please avoid reading from notes.)-- Let us know how this person continues to impact your life.-- If your hero were standing front of you today, what would you say? Address them directly.-- Here are some tips on how to make a great recording on your phone.Thank you!