The infrahyoid muscle is a part of the neck muscles, and it has the role of pulling the hyoid bone downward.

This area is seriously contaminated with radioactive isotopes.

In Christianity, God is considered as the Trinity of the Father, the Son, and the Holy Spirit.

In organic chemistry, the concept of cis-trans isomers is important.

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

In organic chemistry, the concept of conformational isomers is very important.

A tesseract is a four-dimensional geometric shape.

A 5-cell is a simple convex polytope in four dimensions.

Wataru is the main character of this story.

The climate changes are intense, aren't they?