The whole world is calling for nuclear disarmament.

There is a shortage of nuclear fuel.

His research focuses on the relationship between specific diseases and karyotypes.

The inner core of the Earth is mainly composed of iron and nickel.

The inner core of the Earth is extremely hot and is mainly composed of iron and nickel.

He warned about the dangers of nuclear warheads.

Nuclear reactions are used for mass production of energy.

In Japanese, the accent kernel greatly affects the pronunciation of words.

Thermonuclear reactions are the source of the sun's energy.

The use of nuclear bombs is one of the greatest threats to mankind.