In physics, blackbody radiation is a very important concept.

Cosmic background radiation is considered evidence of the Big Bang.

He attacked the enemy using a flamethrower.

He is facing many difficulties due to gender identity disorder.

We are planning to visit the nature reserve this weekend.

Natural language processing is a technology that allows computers to understand and analyze human language.

He is writing a thesis on abiogenesis.

He is an expert in physical anthropology, conducting research on human evolution.

Natural language understanding is an important field of artificial intelligence.

Gender discrimination is one of the social issues that needs to be resolved.