Hints and tips:
...Thirty years on, letters written by one of the team, Dr Harold Tunmore, to his niece are unearthed....
...This well-known theory, demonstrated by the economist Harold Hotelling in 1931, is, of course, in contradiction to the actual behaviour of oil and gas prices: fossil-fuel producers are clearly not treating...
...If a week is a long time in politics, as the British prime minister Harold Wilson once remarked, it seems an age in the chaos and violence of Pakistan....
...Younger people who have grown up in a more gay-tolerant environment find the notion of same-sex marriage not so shocking and are less susceptible to covert appeals to bigotry....
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