Verb: giggle (third-person singular simple present giggles, present participle giggling, simple past and past participle giggled)

1. To laugh gently or in a high-pitched voice; to laugh in a silly or giddy way.
2. The jokes had them giggling like little girls all evening.

Noun: giggle (plural giggles)

1. A high-pitched, silly laugh.
2. (informal) Fun; an amusing episode.
3. We put itching powder down his shirt for giggles.
4. The women thought it would be quite a giggle to have a strippergram at the bride's hen party.

This is a list of topics that have, at one point or another in their history, been characterized as pseudoscience by academics or researchers. Detailed discussion of these topics may be found on their main pages. These characterizations were made in the context of educating the public about questionable or potentially fraudulent or dangerous claims and practices—efforts to define the nature of science, or humorous parodies of poor scientific reasoning. Criticism of pseudoscience, generally by the scientific community or skeptical organizations, involves critiques of the logical, methodological...