鈥淭echnology doesn鈥檛 necessarily have to be bulletproof before it can come in, in court.鈥�
Edward Cheng of Brooklyn Law School, New York, on plans by the defence in a sex-abuse case to have brain scans admitted as evidence of truthfulness (Wired Science, 16 March)
鈥淚magine a country where nobody is physically or sexually assaulted because of alcohol鈥� where no child has to cower in the corner while its mother is beaten by a drunken partner, where the streets are welcoming for all on a Saturday night and where the streets are free of urine and vomit on a Sunday morning.鈥�
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UK chief medical officer Liam Donaldson, promoting a minimum price for alcohol and restrictions on its availability (PA, 16 March)
鈥淚鈥檓 not going to answer that question. I am a Christian, and I don鈥檛 think anybody asking a question about my religion is appropriate.鈥�
Gary Goodyear, Canada鈥檚 minister for science and technology, when asked about his stance on evolution (Globe and Mail, Toronto, 17 March)
鈥淭his share of emissions should be taken by the consumers, not the producers.鈥�
China鈥檚 climate change negotiator Li Gao suggests that carbon emissions from manufacturing should be the responsibility of countries that buy the resulting goods (BBC Online, 17 March)
鈥淲e鈥檇 be delighted if we destabilise the human-mosquito balance of power.鈥�
Physicist Jordin Kare, on his mosquito-zapping laser, inspired by the Star Wars missile defence system (The Wall Street Journal, 14 March)