Understanding dynamical systems is an important part of physics.

The Japanese imperial family line is said to have the longest history in the world.

She often reads books on spirituality.

She is deeply devoted to the New Age spirituality.

He loves 'Narou-kei' novels and reads them every day.

In this chemical reaction, a specific isotope is produced.

She wrote her name in cursive script.

This sentence is written in bold typeface.

This pathogen is very dangerous to humans.

There is a possibility that unknown lifeforms exist on this planet.