If you told a publishing company CEO a decade ago that ten years later a quarter of their revenue would be coming from digital content, they would have probably snorted up some San Pellegrino with lemon, laughing.

FORBES: If Kids Are Our Future, Our Future Is Ebooks

But at a site 50km east of the eruption, a quarter of the ash falling to the ground was in the form of particles of ten microns or less.

ECONOMIST: Volcanoes and air travel: Small eruption in Iceland | The

Mr. JACKIE MCLEAN (Saxophonist): We'd go downtown at 8:30, see Charlie Parker walking to the clubs, stand outside the club until about quarter of ten and make a mad dash for the subway so we could get home.

NPR: Jackie McLean: A Saxophone Great

At the general election Britain's third party picked up nearly a quarter of all votes but fewer than one in ten seats: small wonder that the Lib Dems loathe FPTP, and made a referendum on ditching it a key demand before joining the Tories in a coalition.

ECONOMIST: Constitutional reform in Britain

Jim Wallace, the justice minister, suspended the work of 126 temporary sheriffs who handle about a quarter of criminal cases and announced that he was advertising ten permanent sheriffs' jobs.

ECONOMIST: Human-rights law

But despite the mergers and acquisitions, the world's top ten steelmakers still only control around a quarter of world sales.

ECONOMIST: Lakshmi's gamble | The

Additionally, a quarter of the men surveyed reported having seriously dated a woman at least ten years older than themselves.

FORBES: Paul McCartney and Trading Older: The New Marriage Trend?

But it seems likely that government policy, which has pushed up the proportion of youngsters going to university by nearly a quarter over the past ten years, and plans to increase it from its current 43% to 50% by 2010, has also had an effect.

ECONOMIST: Education economics

The academics are still pretty left-leaning, but nearly a quarter of new teachers now train in schools rather than universities, up from a handful ten years ago.

ECONOMIST: Teachers' foibles

Total government spending increased by a 3.5 percent annual rate in the third quarter, after declining in nine of the past ten quarters.

FORBES: The Revised Third Quarter GDP--Better, But Not By Much

Meanwhile, one quarter of prostate cancer patients who had an unfavorable score showed only a 42.4% chance living ten more years without dying from prostate cancer.

FORBES: Gene Tests That Predict When You Will Die