Twitter Reveals People Are Happiest in the Morning
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1 Cloud free skies on November 27, 2011 gave a clear view of dust storms over Baja, California and the Pacific coast of Mexico. The Ocean Color Team at NASA's Goddard lab uses these images for asses sediment and plankton levels in the ocean... NASA Earth Observatory
2 This image is a close up of the November 27, 2011 dust plume blowing off mainland Mexico over the Gulf of California. The dust apparently rose over the desert of Sonora, not shown. NASA Earth Observatory
3 That tan finger stretching north hundreds of miles across the Mediterranean Sea from just west of the Nile Delta to east of Crete is a plume of dust, most likely from desert regions of Egypt and Libya... NASA Earth Observatory
4 Dust blows off the southern shores of Oman in the Arabian Peninsula, across the Gulf of Oman, to the east coast of Pakistan, on March 30, 2011. NASA Earth Observatory
6 Two dust plumes blow southeastward through Iraq on June 19, 2011. The western plume, which blows over the border with Kuwait, probably arose from dry lake or riverbeds, which accounts for its beige color... NASA Earth Observatory
7 Dust plumes blow off the west coast of Africa and over the Atlantic Ocean in this image, captured in late September 2011. The dust plumes have a wave-like appearance, with bands of thick dust alternating with bands of relatively clear air... NASA Earth Observatory
8 Dust blows south-southwest about 100 kilometeres over the Gulf of Alaska in this early November 2011 image. It arose in the Copper River Valley, which zigzags through the Chugach Mountains... NASA Earth Observatory
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9 Dust plumes blow off the coast of Morocco, toward the north-northwest, just missing Lanzarote, the easternmost of the Canary Islands. A skinny cloud bank runs almost perpendicular to the dust plumes... NASA Earth Observatory
10 A large dust storm sweeps across the North China Plain, over the Yellow Sea towards the Korean Peninsula in this March 12, 2010 image. A bank of clouds, probably from the same weather system that caused the dust storm, frames the northern edge... NASA Earth Observatory
“Happy hour” is not when you might expect it to be, according to a new analysis of about half a billion Twitter messages from around the globe. On average, people are chipper when they wake up and become grouchy as the day wears on. This pattern holds true on weekends, too, but is delayed by about two hours—a trend confirmed in tweets from the United Arab Emirates, where the workweek is Sunday through Thursday. The data suggest that sleep schedules strongly influence mood cycles. The duo at Cornell University who carried out the research, published last September in Science, say that the rising popularity of online social media is allowing scientists to study human behavior in surprising new ways.
This article was published in print as "Happy in the Morning."
This article was originally published with the title "Twitter Reveals People Are Happiest in the Morning" in SA Mind 23, 1, 9 (March 2012)
