He is conducting research on natural phenomena.

Aging is an unavoidable natural phenomenon.

Our bodies age day by day.

He always changes the topic to avoid the problem.

He always changes the topic to avoid the problem.

This phenomenon remains unexplained for scientists.

I love nature.

This park is very rich in nature.

He naturally demonstrated leadership.

He is using methods to avoid search engines so that his information does not get caught by them.