Aquatic animals that feed on lake and stream bottom sediments burp out small amounts of nitrous oxide, a potent greenhouse gas, a new study finds. Nitrous oxide (N2O) is more commonly known to anyone who has sat in the dentist's chair as laughing gas. In the atmosphere it is a powerful greenhouse gas, packing about 310 times the punch as the same weight of carbon dioxide. picked by AutumnLotus 9 months ago

Nitrous oxide, better known as the dental anaesthetic ''laughing gas'', is now the most potent destroyer of ozone in the upper atmosphere, a study has shown. picked by kakana 3 months ago

DETROIT — Soupy Sales, the rubber-faced comedian whose anything-for-a-chuckle career was built on 20,000 pies to the face and 5,000 live TV appearances across a half-century of laughs, has died. He was 83. picked by prish 1 month ago

When Tootie died. All hell broke loose. Literally. picked by misswinkle 2 years ago

Tim Duncan, one of the calmest guys in the NBA, was ejected while sitting on the bench. His crime; he was laughing. Joey Crawford, the crazy ref, then challenged Tim Duncan to a fight. Crawford is in his 60's, and did I mention INSANE! picked by JuicyFruit 3 years ago

Laughing or Dying?

This girl has one hell of a 'laugh'! picked by milos31 2 years ago

A 43-YEAR-OLD man exploded with rage and killed his elderly parents with an axe after his mother laughed when the man's pet cat died. picked by Bornbad 2 years ago

I can't believe I missed posting this last week. December 10th, 2005 was the day we lost the funniest comedian, Richard Pryor. There will never be another like him. picked by 2manyusernames 2 years ago

When Mark Taylor's computer crashed, he suspected he had a "worm" virus in the system, but was surprised to discover the problem was caused by an actual earthworm. picked by AutumnLotus 9 months ago

Two robbers burst into the store, sticking guns to a customer’s head. Two girls just stand by laughing about it. Even worse, shopkeepers continued taking orders and serving customers while the man bled on their floor, refusing him shelter behind the counter. picked by 2manyusernames 12 months ago

In a groveling open letter, Gov. Mark Sanford calls his whole affair his "funeral," negating all the warm fuzzies his sultry Argentinian shoved-under-the-rug soulmate felt from his love letters. picked by Bornbad 4 months ago

If left untreated, the condition could have worsened to the point of mental retardation, doctors said. picked by Bornbad 3 years ago

Comedian Demetri Martin has a very different take on comedy, and it should be the funniest 14 minutes that you've had today. picked by skate2live 2 years ago

Grammy Award-winning comedian Lewis Black is well known for his sarcastic stand-up routines and his short-form rants on The Daily Show With Jon Stewart. Now he finally has a show of his own: Root of All Evil, premiering Wednesday on Comedy Central, in which he judges comedians' arguments about which of two things they think is more evil. picked by dollyllama 2 years ago

Council inspectors are investigating a Roman Catholic primary school after complaints about the noise levels. picked by AutumnLotus 4 months ago

George Carlin, who died in June, is the subject of an oral history by his daughter. Also due: a CD, DVD and a posthumous Mark Twain Prize for American Humor. picked by DerAlt 1 year ago

A police car and rescue helicopter were called in to save a screaming man in a German forest, but it turned out that the man was in fact screaming with laughter. picked by AutumnLotus 8 months ago

I heard about this on the radio this morning. I sure hope it has not been posted yet. I searched. I did. A Chinese girl who has been laughing non-stop for 12 years. weird. picked by eLJay 11 months ago

One of the most infectious laughs ever! Celebrating the 73rd birthday of Elvis Presley with the laughing version of "Are You Lonesome Tonight?"

Please ignore cheesy wipes. picked by beckinacea 2 years ago

Inspired by Jetka's foreign piano playing comedian.
Borge teams a keen sense of comic timing and classical music. In other words... this old guy will entertain you. picked by heymrp 2 years ago