Luke Humphries
Director, Process Development
I lead teams of scientists to discover and develop the best ways of making drug molecules for clinical trials.
Chemical Reactions: Conditions & Speeds
Learn about the special conditions that let some chemical reactions take place.
Catalytic Converters
Learn about how catalytic converters make vehicle emissions less harmful.
Why Do Apples Turn Brown After You Cut Them?
Has your fresh juicy apple turned an unsightly brown? Learn about the redox reaction behind the transformation.
What speeds up a chemical reaction?
Learn about the role of yeast in this fun decomposition reaction.
How is Ethanol Made?
Ethanol is a biofuel that can power a car. Learn about the enzymes, catalysts and processes like fermentation involved in ethanol production.
Green Chemistry 101
Green chemistry is a field that looks at the sustainability of products and processes designed by people.
DNA Damage and Repair
This backgrounder explains the different ways that cells repair damage to DNA.