He is an expert in physical anthropology, conducting research on human evolution.

My father is an ichthyologist and has a deep knowledge about marine life.

He is interested in ichthyological research.

Alkaline earth metals are one of the main components of the earth's crust.

You can't buy anything with this small amount of money.

He has a strong sense of honor.

Every year on my mother's death anniversary, our family goes to visit her grave.

This math problem can be solved using a specific formula.

We have our wedding ceremony tomorrow.

This cheese is made from special ewe's milk.