Hello! Welcome to Community Question! What is Community Question?: Community Question is a weekly question thread when I ask you, the community, a question! (Bit obvious eh?) When will Community Question be posted?: CQ is posted in this section on Fridays. Be sure to check back here every Friday! I have an idea for a question. Can I send it to you?: Sure! Question ideas are always appreciated. Feel free to PM me your question(s)! Anyways, on to the question! What scientific advancement has impacted your life the most? My answer: Medicine .