Eunicids, or 'Isome', are string-like polychaetes living on the sea floor.

The Tasmanian Devil, a species unique to Australia, has a very aggressive nature.

The Oniwaban was in charge of information gathering and security during the Edo period.

This factory strictly controls the emission of hydrogen sulphide.

I saw a Hachijō blue rock thrush on Hachijō Island.

He turned fifty-six years old.

Isoroku is my best friend and a very kind person.

Hydrogen is the most abundant element in the universe.

Hydrocarbons are fundamental components of organic chemistry.

Lithium hydride plays an important role in chemical reactions.