I am very interested in marine biology.

Palaeoclimatology is the science that studies the past climate of the Earth.

Paleogeography is a study that researches the past geographical conditions of the Earth.

Paleoecology is a field of study that investigates the relationship between past organisms and their environment.

He is an expert in orthoepy, teaching pronunciation.

He is an expert in geophysics.

He is an expert in human anatomy.

He is known as an expert in criminology.

I studied calculus at university.

Acoustic phonetics is the study of the physical properties of speech.