鈥淧robably I鈥檓 changing my thinking about this.鈥�
UK prime minister Tony Blair expresses new-found scepticism that international treaties such as the Kyoto protocol are the solution to climate change (The Independent on Sunday, London, 25 September)
鈥淚f you want us to wear masks, goggles and gloves, what fantasy can we make?鈥�
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Porn actress Brook Hunter on a Los Angeles County Health Department report suggesting that HIV screening alone is not effective at preventing disease transmission within the adult entertainment industry (NBC San Diego, 21 September)
鈥淭he world may seem to get smaller, but we are finding more and more new animals on it every year.鈥�
Andrew Polaszek, executive secretary of the International Commission on Zoological Nomenclature in London, on the announcement that a record 20,000 new species are expected to be uncovered by zoologists this year (The Observer, London, 25 September)
鈥淚 have patients who diary sex in. When they don鈥檛 fall pregnant they panic and think they need IVF.鈥�
Emma Cannon, who runs the fertility programme at Westover House clinic in London, comments on the 20 percent increase in UK women resorting to IVF over the past five years (The Sunday Telegraph, London, 25 September)
鈥淚t鈥檚 the nature of life 鈥� life tries to expand and tries to adapt. Any species that don鈥檛 do it eventually die out.鈥�
Bruce Mackenzie, a 25-year-old MIT master鈥檚 student who has jointly set up a company called 4Frontiers that aims to set up a colony on Mars within 20 years (CNN, 20 September)