Brown burgers can leave bugs in the pink DON'T believe people who tell you beefburgers are safe to eat once they've gone brown. To cook beef safely, you should heat it to 70 °C—hot enough to kill potentially lethal Escherichia coli O157. But Morse Solomon and his colleagues at the US Department of Agriculture near Washington DC, have shown that beef can brown … News
Westminster Diary IT was a hot summer day, but I was chilled to the bone to read this subheading: "No lab on Earth can cope with what might be lurking in Martian soil" (New Scientist, 9 June, p 10) . If NASA scientists bring back samples of soil from Mars that are contaminated with alien life, we … Opinion
Forging a legend GREG OLSON wants to forge the strongest sword in history, a sword that will be known as Dragonslayer. He knows a good marketing ploy when he sees one. The idea is to auction off the sword to collectors, to gain publicity for a new type of steel called Ferrium C69. It's the hardest steel ever … Features
Gateway to Gotham Grand Central Terminal: Railroads, engineering, and architecture in New York City by Kurt Schlichting, Johns Hopkins University Press, $17.95, ISBN 0801865107 AS EVERY urban planner knows, transportation networks mould patterns of land use and urban development, while emerging patterns of land use generate demand for transportation. Nowhere has this symbiotic growth cycle been more evident … Books & Arts
Feedback THE GREAT thing about the Internet is its anonymity. You can post whatever you want on it, and if you're clever enough, no one can track you down. So for a Russian hit man from the town of Samara, the Net was the logical place to advertise his services. "Will help retire from life, possibly … Regulars