![Question of the Week - From the Naked Scientists show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/034/494/small/question-of-the-week-from-the-naked-scientists.png)
Summary: Why is it that the sound of nails being dragged down a blackboard makes every muscle tense and every nerve jangle? We tackle this teeth-grittingly uncomfortable problem in QotW. Plus, we ask whether fish experience extra benefits in laying eggs.