What would happen if gravity acted in the opposite direction to what it is now?
What is empathy? What is narcissism? What role do they each play in effective communication?
What is the chemistry behind delicious food? What knowledge of chemistry can chefs use to improve the taste of food?
How does language evolve? How did we get from Shakespeare to here?
How do we use stories in our daily lives? What makes us storytellers?
If you could live on Mars for a year, what do you think would be your biggest challenge?
Why does the rainbow have only seven colours?
Why is space dark?
What is “identity”? How do culture and history affect it?
How can conflict over water in dry areas be resolved?