- did u win the 500 pound (4 Comments)
- what kind of chemicals do you use in your work ?
- do you do explosives
- what challenges are you facing at work?
- What is your biggest achievement in science?
- Do you ever wonder what people think about your job (1 Comment)
- what kind of chemicals do birds have ?
- What is the planet, Mars made from? (1 Comment)
- do you wear color things . thank you holly .
- would it ever be possible to make a animal with a human face ????