I am majoring in physical chemistry at university.

Can this scrap be recycled?

Antimatter is said to have the opposite properties of matter.

Our body is constantly excreting waste products.

The animal kingdom is incredibly diverse, and it is said that there are still species that have not been discovered.

Gymnosperms are a type of plant that directly release their seeds into the air.

Speaking of autumnal traditions, it's leaf peeping.

This is the souvenir I brought back from my trip.

It is said that a monster lives in the forest.

I think this food is very rare.