He gave me an ultimatum.

The Great Eastern Japan Earthquake is one of the most damaging earthquakes in Japanese history.

Cytogenetics is a science that studies the structure and function of chromosomes and genes.

Neurons are responsible for transmitting information in the brain.

He injured his arm in a workplace accident.

Spending time with family on Christmas night is the best.

My mother prepares a traditional Japanese meal every day.

He gathered brushwood to keep warm.

The steepest descent method is one way to solve optimization problems.

The cytoskeleton plays a crucial role in maintaining the shape of the cell.