- Magnetic field — matter or not matter?
- Why are people divided into social strata ?
- Why does the sun and heat make you sleepy?
- If the thoughts are material, then who will fulfill the dream: the person who dreams of the well-being of his family or the parents who dream of disintegration?
- What will be the end of the world? Man-made? Or will it be related to the explosion of a star called the Sun?