The northern elephant seal is a large marine mammal that mainly lives in the northern hemisphere.

I live in Kita-Hiroshima.

He is studying the history of African Americans.

Cygnus is one of the summer constellations.

We are planning to go to the science museum this weekend.

I saw a whooper swan in the park.

The story of 'Puss in Boots' is very popular among children.

He solved the problem in a scientific way.

This reaction occurs through a chemical process.

He is good at tactical thinking.