He is conducting research on natural phenomena.

He is writing a thesis on phenomenology.

The simulacra phenomenon of imagining a face from three dots is one of the characteristics of the human brain.

He believes in psychic phenomena.

This is part of my collection, especially the Arabian cowry is rare.

He loves physics and studies it in the library almost every day.

I am majoring in physical chemistry at university.

He is a world-famous physicist.

This programming language is said to be Turing complete.

His performance was perfect and without blemish.