Nuclear reactions are used for mass production of energy.

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

He warned about the dangers of nuclear warheads.

The whole world is calling for nuclear disarmament.

The nucleolus, which is part of the cell nucleus, plays an important role in the production of ribosomes.

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

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

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

The study of nucleons is an important field in science.

There is a shortage of nuclear fuel.