Step-by-step explanation:
What is reality? By Roger Penrose
Can we be sure that the world we experience is not just a figment of our imaginations?
What is life? By Robert Hazen
If we encountered alien life, chances are we wouldn’t recognise it – not even if it were here on Earth
Do we have free will? By Patricia Churchland
The more we find out about how the brain works, the less room there seems to be for personal choice or responsibility
Is the universe deterministic? By Vlatko Vedral
However you look at it, the answer seems to be “maybe”