Cone cells are the main visual receptors for recognizing colors.

He is a born adventurer.

The concert at the Rose Bowl was wonderful.

The police are cornering the fugitive.

Cytology is a branch of biology that studies the structure and function of cells.

He is an expert in anatomy.

The school was closed due to the snowstorm.

Stem cell research is opening up new frontiers in medicine.

He was excited about the adventure to the unknown world.

Japan and China have been trading for a long time.