Given a scientific question, generate a correct answer to it.
--------
Question: What body joint incurs the most common overuse injury among runners and other athletes?

Answer: knee

Question: What occurs when substances move from areas of lower to higher concentration or when very large molecules are transported?

Answer: active transport

Question: Polymers, ceramics, adhesives, coatings, and liquid crystals are examples of materials recently discovered or developed by what type of scientists?

Answer:
chemists