The Sikh Wars were wars fought between the United Kingdom and the Sikh Kingdom.

He was left in a state of statelessness.

He has many faults, so he has few friends.

Recently, I've developed a habit of staying up late, and I can't seem to get to sleep.

I am very interested in natural science.

I am majoring in information science.

He solved the problem in a scientific way.

He has a wealth of scientific knowledge and is always excited about new discoveries.

He has a deep interest in empirical science.

Earth science is an important field of study for unraveling the mysteries of nature.