He showed the whites of his eyes in surprise.

Einstein proposed the theory of relativity.

His actions always have a duality.

This material has high corrosion resistance.

The prevention of venereal diseases is most important in safe sexual behavior.

This equation has homogeneity.

Radioactive elements are produced in nature and scientific experiments.

He was diagnosed with bipolar disorder.

He was diagnosed with congestive heart failure.

The success of this project is influenced by a lot of uncertainty.