Visual Encyclopedia

Laughter

Laughter is a physical reaction in humans consisting typically of rhythmical, often audible contractions of the diaphragm and other parts of the respiratory system. It is a response to certain external or internal stimuli. Laughter can arise from such activities as being tickled, or from humorous stories or thoughts. Most commonly, it is considered a visual expression of a number of positive emotional states, such as joy, mirth, happiness, relief, etc. On some occasions, however, it may be caused by contrary emotional states such as embarrassment, apology, or confusion such as nervous laughter or courtesy laugh. Age, gender, education, language, and culture are all factors as to whether a person will experience laughter in a given situation. Some other species of primate (apes, chimpanzees, gorillas, bonobos and orangutans) show laughter-like vocalizations in response to physical contact such as wrestling, play chasing or tickling.

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How I feel

How we all feel!

Contributed by Ronnie L Cunningham

How can you not at least smile while watching this video? A babies laughter is so sweet and one of the best sounds in the world.

Contributed by Leah Wipf

Check out some of the best flicks to watch when you’re in need of good ol’ laugh:

Contributed by Tess Chaffin

Laughing Epidemic

An epidemic of laughing that lasted almost a year broke out in Tanganyika (now Tanzania) in 1962. Several thousand people were affected, across several villages. It forced a school to close. It wasn’t fun, though — other symptoms included crying, fainting, rashes, and pain.

Contributed by Kathy Guo

Life truly is better

Choose to be happy and laugh through out life

Contributed by Leah Rae Patterson

Laughter = Rendering Hilarity Audible (adapted from a quote of Wuthering Heights)

Contributed by Meghan Marks

While research has yet to prove that animals have a definitive sense of humor, they certainly enjoy "having fun" in the form of playing, and sometimes seem to even be laughing!

Contributed by Brandi Nevius

Found this to be super interesting. One of my favorite youtubers ever.

Contributed by Braydon Williams

This video made me laugh so hard. Please watch.

Contributed by Caitlin Molloy

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