World
Scientists know that almost 95% of the universe is made up of dark matter and dark energy. Yet, their true properties and characteristics are not known.
One of the most unsolved and profound mysteries of the universe is our consciousness. Scientists have tried but no one can understand how and why we have it.
Scientists believe that the Big Bang should have created an equal amount of matter and antimatter. However, the universe is dominated by matter and the reason is unknown.
The origin of life on this planet is always an interesting conversation. There are several hypotheses, no one knows how life came to be in the lifeless rock floating in space.
Ball of lightning is a rare natural phenomenon where spheres of light occur during lightning. No scientists have been able to explain why it happens.