Among the species threatened by bottom fishing is the orange roughy, which lives for more than a century and takes decades to reach sexual maturity: in those gloomy depths, creatures aren't used to sudden events.

ECONOMIST: Marine conservation

In Europe, in Latin America, in Africa, in Asia and now in the Arab world, sudden events and slow-moving trends bring us into a new world -- in the Pacific and in the Mediterranean -- and we welcome the new global governments in the G20, reflecting the growing influence of emerging countries as well as their new responsibilities.

WHITEHOUSE: President Obama Speaks on US-EU Summit with Herman Van Rompuy and President Jos�� Manuel Barroso | The White House

Particle pollution is measured both short-term and long-term to account for sudden, brief events like high winds and occasional wood burning.

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That said, Airbus has been luckier than Boeing in that it has experienced nothing like the sudden concatenation of events that have dogged the 787 in the last month.

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Crude oil looks to be a more conservative play for 2011, and will trade in line with the monthly economic statistics unless political events cause a sudden volatility on the upside.

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So why the sudden rush of flowerings? (events were reported in Atlanta, US, and Bonn, Germany, last year as well).

BBC: The stink is upon California

Hypertrophic cardiomyopathy (HCM), a heart-related abnormality, is the most common cause of sudden death in young athletes at sporting events.

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U.S. Web media officials say seminal news events don't provide sudden boosts in ad revenue because buyers typically cap the number of viewers for which they're willing to pay.

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Though Mr Shoemaker's career was diverse, it had a central theme: that some of the main events in the solar system's history were not gradual changes, as scientists once supposed, but sudden, violent catastrophes.

ECONOMIST: Gene Shoemaker