鈥淚t has been an embarrassment to science, and I think an embarrassment for Princeton.鈥�
Robert Park, a physicist at the University of Maryland, on the closure of Princeton University鈥檚 Engineering Anomalies Research programme, which for 28 years has tried to demonstrate that human thoughts can affect machine behaviour (The New York Times, 10 February)
鈥淚f you can take a midday nap, do so.鈥�
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Dimitrios Trichopoulos of the Harvard School of Public Health and co-author of a study in Greece showing that the death rate in people who take siestas is two-thirds that of people who don鈥檛 (The Seattle Times, 12 February)
鈥淵ou can buy model breasts, but they cost around 拢35 each, which is quite prohibitive.鈥�
Midwife Kate McFadden on why she and others are knitting fake breasts for the Liverpool Women鈥檚 Hospital, UK, to teach women how to breastfeed and express milk (BBC online, 7 February)
鈥淢aybe it is eternal hatred that had them locked together in a death grip.鈥�
An internet commentator not affected by the Valentine mood speculates on the reasons why the 5000-year-old human skeletons found at a construction site near Mantua, northern Italy, were embracing (Reuters, 13 February)
鈥淭his is the first time anyone has demonstrated that a change in women鈥檚 hormonal levels is induced by sniffing an identified compound of male sweat.鈥�
Claire Wyart of the University of California, Berkeley, on a study published in The Journal of Neuroscience offering the first direct evidence that human scent can affect the sexual arousal of the opposite sex (AP, 13 February)