The 正百二十胞體 is one of the regular polytopes in four dimensions.

In Japan, husband and wife retaining different surnames is not yet recognized.

The rhinoceros is a famous character.

He is researching on the pathogenesis and treatment of early-onset diabetes.

This area is rich in bedded cupriferous iron sulphide deposits.

There are a few problems.

Let's calculate so that all numbers become equal.

The bird is making a nest in the tree.

He works at the Ministry of Health, Labour and Welfare.

He is a very quiet person.