On the Record
Sometimes you don't really trust men to pick out things you'll want to wear — I was very pleasantly surprised.
Harvard Medical School's Laura Mariani after her boyfriend bought her some molecule-shaped earrings (one serotonin, one dopamine) from jewellery company Made With Molecules. One to consider if you messed up on Valentine's Day.
Scorecard
Siestas
Regular midday naps cut the risk of a death from heart disease by up to 64%, says a study of Greek men. The effect was strongest in those with jobs, highlighting the stress-busting power of a nice nap.
Science books
Ten years ago, Britain's most popular non-fiction library book was Stephen Hawking's seminal A Brief History of Time. Now it's You Are What You Eat, a dieting tome by the widely criticized 'holistic nutritionist' Gillian McKeith.
Number crunch
90% is the degree of certainty that global warming is being caused by human activity, according to the Intergovernmental Panel on Climate Change's fourth assessment report.
95% of Democrats who responded to a limited poll of both parties in Congress said they believed that it has been proved beyond reasonable doubt that human activities are warming the planet.
13% is the proportion of Republicans who responded who share that view.
Sources: Archives of Internal Medicine, BBC, IPCC, The Scientist
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Sidelines. Nature 445, 693 (2007). https://doi.org/10.1038/445693b
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DOI: https://doi.org/10.1038/445693b