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TABLE OF ASTROPHYSICS Carry On My Wayward Sun CONTENTS MATH p. 32 Irrational Numbers: The Square Root of Two p. 4 ERUDITION CHEMISTRY 123456 Chemistry at the Quiz: Questions and answers. p. 45 Service of Historians DIY p. 10 The Pull of Water Vapour Chronologising the past scientifically. p. 52 BIOLOGY Cell Cultures p. 16 How do steam engines work? MEDICINE Your Brain on Toxoplasma Gondii Understanding the Nervous System: How Do We Control Our Body? p. 22 p. 26

TECHNOLOGY The Semiconductor of the A Model of Catastrophe Digital Express Train p. 38 p. 46 Computer learns to store more in less Crash testing a car crash MATERIALS SCIENCE MEGAPIXEL Winged Elements p. 54 Crunching the Smart Wafer The adventures of aluminium p. 60 SOCIETY SKEPTIC The IG Magical Thinking Nobel Prize: Seriously Do miracles happen p. 68 Trivial or are they illusions p. 62 of the mind? MYTH & REALITY Ancient Egypt ... No Land More Ancient A land where facts are blended with imagination p. 72