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## Comment Re:This is not the logic you are looking for (Score 5, Insightful)1017

Everything is toxic. It depends on the dose as to when it reaches toxic levels. For sugar, the LD50 is >10,000 mg per kg of body weight. In comparison, caffeine's LD50 is 100 mg/kg and nicotine's is 1 mg/kg. "All things are poison, and nothing is without poison; only the dose permits something not to be poisonous." Paracelsus, the father of toxicology.

## Whatever Happened To Second Life?209

Barence writes "It's desolate, dirty, and sex is outcast to a separate island. In this article, PC Pro's Barry Collins returns to Second Life to find out what went wrong, and why it's raking in more cash than ever before. It's a follow-up to a feature written three years ago, in which Collins spent a week living inside Second Life to see what the huge fuss at the time was all about. The difference three years can make is eye-opening."

## The Perfect Way To Slice a Pizza282

iamapizza writes "New Scientist reports on the quest of two math boffins for the perfect way to slice a pizza. It's an interesting and in-depth article; 'The problem that bothered them was this. Suppose the harried waiter cuts the pizza off-center, but with all the edge-to-edge cuts crossing at a single point, and with the same angle between adjacent cuts. The off-center cuts mean the slices will not all be the same size, so if two people take turns to take neighboring slices, will they get equal shares by the time they have gone right round the pizza — and if not, who will get more?' This is useful, of course, if you're familiar with the concept of 'sharing' a pizza."

## Proton Beams Sent Around the LHC115

feldhaus writes "The BBC reports that the first beams for over one year have been successfully sent around the complete circumference of the Large Hadron Collider. Engineers do not yet have a stable circulating beam but they hope to by 0600 GMT on Saturday."

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