Information is not countable as in "informations". We can say 1 part of information. this can add up as in 2 parts of information. Needed information to solve a mystery may consist of quite a few parts. The word itself is not countable.
Research cannot be in the plural because it is an uncountable noun.
An abstract noun is a word for something that can't be experienced by any of the five physical senses; something that can't be seen, heard, smelled, tasted, or touched. An abstract noun is word for something that you know, learn, think, understand, or feel emotionally.Some abstract nouns are countable (have a singular and a plural form) and some abstract nouns are uncountable (have only a singular or only a plural form).A singular abstract noun may be the singular form of a countable noun, or it may be a singular uncountable noun.Examples of countable abstract nouns are:hope, hopesidea, ideasdanger, dangersfriendship, friendshipsliberty, libertiesExamples of singular uncountable nouns are:adviceeducationknowledgegossip*astronomyExamples of plural uncountable nouns are:newseconomicspolitics*Note: The noun 'gossip' is a singular, countable, concrete noun as a word for a person or persons (They're just a bunch of gossips).
The noun research is a common, uncountable, abstract noun; a word for a systematic investigation or study of something; a word for a thing.The word 'research' is also a verb: research, researches, researching, researched.
The noun 'enthusiasm' is common, abstract noun. The noun 'enthusiasm' is an uncountable noun as a word for the feeling of being very interested in something or excited by it. The noun 'enthusiasm' is a countable noun as a word for an activity or subject that you are interested in and excited about.
Transport is both countable and uncountable as a noun.
countable
uncountable
Uncountable
uncountable
uncountable
Uncountable
The gerund painting is a countable noun, as in "There are 12 paintings in this room."
Countable
few is countable
countable
The noun 'steel' is an uncountable (mass) noun, a word for a substance.