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- Mystery Meteorite: The case for (and against) a rock from Mercury
- Hard Times for Theorists in a Post-Higgs World: The Large Hadron Collider’s big success leaves no clear avenue for new physics
- In the Eye of the Tiger: Global spread of Asian tiger mosquito could fuel outbreaks of tropical disease in temperate regions
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- Cool Jobs: Moved by life: Biologically inspired robots travel — naturally
- Infection time: Disease is more severe when it hits in the morning, at least in mice
- Explainer: Our bodies’ internal clocks: Biological clocks determine hunger, sleepiness and other daily rhythms
Before Sudoku: The World of Magic Squares
Web edition: March 27, 2009
Print edition: April 11, 2009; Vol.175 #8 (p. 30)
Fascination with sudoku puzzles is not new.
Oxford Univ., 2009, 239 p., $14.95.
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