Is Vaping Safer Than Smoking?
STEM Explained
Learn how e-cigarettes and other vaping products work, and why scientists and health professionals have concerns about their safety.
How is Ethanol Made?
Backgrounders
Ethanol is a biofuel that can power a car. Learn about the enzymes, catalysts and processes like fermentation involved in ethanol production.
How Do Plants Use Chemical Signalling?
STEM Explained
How do plants use scents? Learn how some plants use chemical signals to send messages to animals or other plants.
A Merry Molecular Christmas
STEM Explained
Many holidays mean delicious food - and smells! This fun article looks at the chemistry behind the common aromas of Christmas.