- Can individual ethical egoism be refuted? If so, how?
- Why is it important for some people, especially grandparents, to sit on the bus in the direction of traffic or against traffic?
- Does "talent" really exist? Aside from geeks, how many people can reach heights just by perseverance and hard work?
- Which sleep mode is optimal?
- Can we assume that quantum entanglement exists outside of time and space?