Common Examples:
* News: We got some good news today.
* Politics: Politics is a complex subject.
* Mathematics: Mathematics is a challenging field.
* Physics: Physics is a fundamental science.
* Economics: Economics is a social science.
* Athletics: Athletics is a popular pastime.
* Measles: Measles is a contagious disease.
* Mumps: Mumps is a viral infection.
* Series: This is a good series of books.
* Species: This species is endangered.
Other Examples:
* Information: We need more information.
* Furniture: The furniture was all antique.
* Equipment: The equipment is expensive.
* Advice: My friend gave me some good advice.
* Luggage: My luggage is very heavy.
* Scenery: The scenery was breathtaking.
* Money: Money is the root of all evil.
Important Note: The distinction between singular and plural can sometimes be tricky. The context is crucial. For example, "The police are investigating the crime" is a plural form because it refers to multiple officers. However, "The police is a dangerous job" uses the singular form because it refers to the concept of policing as a whole.