Suggestions

• What did the asbestos industry know about the dangers of asbestos?

• How is solid human waste removed in wastewater treatment?

• What are some future uses of drones?

• How has the law of reflection helped develop optic fibers?

• How does the mainstream media portray scientific debates?

• What did the AMRAD Corporation do?

• How long did Lindbergh's transatlantic flight take?

• What can researchers observe using microscopes?