This area is seriously contaminated with radioactive isotopes.

My father was diagnosed with ankylosing spondylitis.

In organic chemistry, pyruvic acid plays an important role.

The study of filterable pathogens is an important part of virology.

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

Special relativity is one of the fundamental theories of physics.

General relativity is a theory of physics proposed by Einstein.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.

Non-fungible tokens are used to represent unique assets such as digital art and music.

In chemistry class, I learned about the reaction of pyruvate.