What are some universally unanswered questions?

In spite of the great advancements in technology and scientific knowledge, there are still many questions that remain unanswered. Some examples of these may include:

• What is the meaning of life?

• Is there a God?

• Is free will real or an illusion?

• What is the ultimate fate of the universe?

• What is the true nature of consciousness?

• Are time travel and parallel universes possible?

• How did life begin?

• What are dark matter and dark energy?

• Are multiple universes possible?

• What is the origin of language?

• Is artificial intelligence possible?