He feels dizzy when he stands up suddenly due to orthostatic hypotension.

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.

The National Research and Development Agency plays a crucial role in advancing science and technology.

Rui loves baseball.

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.