Which chemist and physicist carried out important experiments into radioactivity?

Which astronomer first worked out that the Earth orbits the sun?

When did scientists first come up with the theory of 'global warming'?

Which biologist set out the first classification system for plant and animal species?

Which psychiatrist looked into our subconscious mind in the book 'The Interpretation of Dreams'?

Which invention did the artist, mathematician and engineer Leonardo Da Vinci dream up?

The Ancient Greeks knew a lot about math and science. What is the area of expertise of each of the following scientists? Aristarchus of Samos?

What is the area of expertise of the following scientist... Empedocles?

What is dry ice?

Who invented the mouse?

What is the result of the rotation of Earth?