Astrobiology is a very interesting field of study.

He continued his journey to the west.

General relativity is a theory of physics proposed by Einstein.

He is a world-renowned biologist.

We conducted a spectral analysis to investigate the spectral characteristics of this substance.

He is receiving treatment for obsessive-compulsive disorder.

Cell biology is the study of the structure and function of cells, which are the basic units of life.

The rainbow lorikeet is known for its vibrant colors.

Let's calculate so that all numbers become equal.

The bird is making a nest in the tree.