Taking donor cells from a close relation reduces the risk of rejection of the transplanted cells by the recipient.

BBC: Many people with diabetes must have regular insulin shots

Today Tunisia has two Internet providers, one owned by the president's daughter, the other by a close relation, and Morocco has hundreds.

ECONOMIST: Morocco goes mobile

You might, though, have better luck choosing for a close relation, because she would probably have an MHC similar to your own.

ECONOMIST: Perfume science

It reckons that one Colombian family in four has lost a close relation to violence, and that one person in three who moved house in the past five years did so to escape it.

ECONOMIST: Living with death in Colombia | The

So would a big vote for his nearest rival, Mustafa Barghouti (a clansman but not a close relation of Marwan), who is campaigning on another issue that bothers Palestinians a lot: corruption in the Palestinian Authority.

ECONOMIST: Palestine's election

Dr. Stohr stresses that hundreds of people in the U.S. and Hong Kong have been tested--people who have never had SARS--and none of them appear to have developed antibodies to SARS or any close relation of it.

FORBES: Veterinarians Versus SARS

But his close associate and relation, Ieng Sary, who held the post of deputy prime minister and foreign minister in his regime, is very much alive and a prominent personality in Phnom Penh, the capital.

ECONOMIST: Justice is slow to catch up with the former Khmers Rouges

Neoclassical economic theory says that optimum results are achieved when the relation is close.

FORBES: The Baseball Enigma

Yet in America and Britain, among other countries, house prices are already close to record levels in relation to average incomes.

ECONOMIST: The deadly cocktail of high borrowing and falling prices

In real terms house prices in America, Britain and Australia have risen more rapidly in recent years than during the late 1980s house-price boom, leaving prices close to record highs in relation to both rents and household incomes.

ECONOMIST: Economics focus

Our reason for suspecting that a house-price bubble has developed in the six countries listed in the first paragraph is that in all of them house prices are close to record levels in relation to both rents and average incomes.

ECONOMIST: The higher they climb, the further they will fall

According to people close to the sport, if the German authorities charge Mr Ecclestone with a non-trivial offence in relation to the payment to Mr Gribkowsky, (which he has admitted making, though he says he was being blackmailed), he will be permanently removed as chief executive of Formula One Group.

ECONOMIST: Can Formula One succeed without Bernie Ecclestone?