Global warming, some experts suspect, may be adding to the strain.
The article notes factors that may be adding to this trend.
You may be adding a layer of impracticality or complexity to an already complex event".
"This may be adding to people's sense of urgency about the economy".
Lorne Michaels, the executive producer of "Saturday Night Live," may be adding more cast members later this season.
As a result, the "edge" of the Internet is thickening, and that may be adding resilience to the network.
"If you get one more room for floor, and you have 20 or 30 floors," he said, you may be adding $10 million or $15 million in value.
Sudan's archaeological record is pivotal to understanding the history of Africa itself, experts say, and a wave of new discoveries may be adding crucial new information.
In tapping a longtime former executive to head Time Inc., Time Warner may be adding a needed element of stability to its leadership.
A recent burst of studies look at how large it may be, adding useful detail to the initial efforts, such as the Stern review of 2010.
TO the list of the typical high school rites of passage — first crush, first kiss, first pimple — technology may be adding a ritual: changing your name.
