That, in turn, would warm the air around them and warm air, as every schoolchild knows, rises.

ECONOMIST: Saturday-night showers

It also increased the subsidies to Welsh-language services and gave the language a place on every schoolchild's timetable.

BBC: Wales politics

He pointed to the case of a schoolchild who died as a result of corporal punishment administered by a headmaster in 1860.

BBC: Boy with placard

As every schoolchild should know, water moves from a dilute to a concentrated solution through a semipermeable membrane by a process called osmosis.

ECONOMIST: Fish genetics

Yet in the rich world pretty nearly every packed lunch in a schoolchild's satchel contains a packet of potato crisps heavily dosed with both.

ECONOMIST: Eating

As photographs of her slaughtered colleagues were projected, she buried her head in her arms like a schoolchild, her dark hair spilling onto the table.

NEWYORKER: A Loaded Gun

If the businessman, the two maiden aunts, the snotty schoolchild and the dreadlocked traveller are all going to the Comfort Inn in the city centre, why not all go together?

BBC: Communal cabbing

Every schoolchild in Silicon Valley knows the sad story of how nice Steve Jobs helped to found Apple Computer, only for the evil bean-counters to evict him nine years later (now, of course, he's back).

ECONOMIST: Entrepreneurs are deluded: official

Widad, a 25-year-old secretary of Algerian origin, notes that when she was a schoolchild in Les Yvelines, in the Paris suburbs, four-fifths of her class were North African and only a handful went on to study for the baccalaureate, the school-leaving certificate that is the essential passport to a university or a reasonable job.

ECONOMIST: France's Muslims