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12,745 articles from Guardian Unlimited Science
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FRIDAY 10. FEBRUARY, 2012
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Review of nine studies finds risk rises if drivers smoke cannabis less than three hours before getting behind wheel
Smoking cannabis within three hours of getting behind the wheel could almost double the risk of a serious crash, according to research published on Thursday in the British Medical Journal.
A review of nine studies found that drivers were more likely to be involved in a collision with another car after smoking the class B drug.
Figures show there are around 3 million users of cannabis in the UK aged 16 to 59.
The research found cannabis use resulted in a "near doubling of risk of a driver being involved in a collision resulting in serious injury or death".
The researchers, from Dalhousie University in Canada, said, however, that the impact of cannabis consumption "on the risk of minor crashes remains unclear". PA
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THURSDAY 9. FEBRUARY, 2012
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My father, Arnold Sanderson, who has died aged 78, and my mother, Dorothy, were together for more than 61 years. They fell in love as teenagers when Mum had to attend the boys' grammar school at Bishop Auckland, County Durham, because she wanted to study science. Dad, then 17, was the school captain and two years older. He took it upon himself to look after her and they spent their teens collecting specimens and blowing things up – including the local slagheap, a blast that was rumoured to have been heard seven miles away.
Dad became an eminent immunologist, but he may be best remembered for rescuing Edward Jenner's house, the Chantry, near Berkeley, Gloucestershire, and founding the Edward Jenner Museum. Jenner, the pioneer who established vaccination against smallpox, used to vaccinate children in a small wooden shelter in the garden. The shelter, along with the house, has been preserved thanks to Dad's rescue campaign and a generous donation from the Japanese shipbuilder and philanthropist Ryoichi Sasakawa. Later Dad wrote a book for children called Smallpox Is Dead (1988), which described how the disease has been eradicated as the result of a major world programme.
From school, he won a Cambridge scholarship but turned the offer down because he wanted to be with Mum and go to Durham University with her. They married in 1957. Dad considered himself working class. His father ran the Co-op in Hunwick, County Durham, and he was always proud to tell us that his mother played the piano. But he considered Mum to be higher in the social scale – her parents had a car.
Dad's scientific career flourished. He worked for the Ministry of Defence in Salisbury, Wiltshire, and collaborated with American scientists, at Harvard University and Boston children's hospital, finally working at the Queen Victoria hospital, East Grinstead, West Sussex. He became chairman of the British Society for Immunology and edited the journal Transplantation. He also had a close interest in horse racing because "having a punt on the 2.30 at Lingfield was the only power the ordinary man had left".
He developed his own company, making commercial antibodies and biological reagents. He judged most things in life with the mantra that there is "no point fighting unwinnable battles", and so it was when his brain tumour was diagnosed in October 2011.
Dad is survived by Mum, me, my two sisters, Kate and Helen, and eight grandchildren, Matthew, Ellie, Georgia, Simon, Marcus, Sasha, Jeremy and Tessa.
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WEDNESDAY 8. FEBRUARY, 2012
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Mid-February is the moment when these polite little plants carpet damp woodland and roadside banks
Galanthus, the milk flower, is at its discreet peak. Mid-February is the moment when these polite little plants carpet damp woodland and roadside banks, so decorous compared with rowdy daffodils and narcissuses, coming shortly, or the gaudy bluebells that will show in another couple of months. They are also, for all their modesty, becoming big business – even a subject of theft. Identifying new cultivars of snowdrop takes an expert eye. It is a question of a little more green here, a slightly sharper indent there, a hint of variegation on a leaf or pedicel. Close students of how markets work will not be surprised to learn that such expertise, coupled with the notorious difficulties of persuading snowdrops to establish and naturalise, mean each tiny bulb can sell for £25 or even £30. Not quite tulip mania, but if you fancy creating your own drift of snowdrops, it will take deep pockets. Or the gardener's virtue: patience.
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