鈥淓ven if we get our fix of cheaper oil, we are still hooked鈥� We can beg, we can moan, but until we get serious about new energy sources, we are going to pay more.鈥�
Kathleen Hays of CNN鈥檚 business news team (CNN/Money, 24 May)
鈥淥nly one available source [of energy] does not cause global warming and that is nuclear energy.鈥�
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James Lovelock, originator of the Gaia hypothesis (The Independent, London, 24 May)
鈥淗ospital administrators often encourage staff to wear neckties, but in so doing they may be facilitating the spread of infectious organisms.鈥�
Steven Nurkin of the New York Hospital Medical Center, who found half of doctors鈥� ties harbour harmful bacteria (Meeting of the American Society for Microbiology, New Orleans, 24 May)
鈥淭here鈥檚 a very strong idea that women should suffer more in the service of preventing pregnancy. That鈥檚 a serious barrier to any male contraceptive.鈥�
Psychologist Mary Boyle of the University of East London on the lack of volunteers for a male contraceptive trial in the UK (BBC News Online, 21 May)
鈥淎 thousand pigeons, each with a two-ounce explosive capsule, landed at intervals on a specific target, might be a seriously inconvenient surprise.鈥�
Wing commander William Rayner of the UK鈥檚 former Air Ministry proposing the use of pigeons to drop bioweapons on the Soviet bloc during the cold war, revealed in intelligence documents declassified last week (21 May)