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No. 155: Sep - Oct 2004

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Contents

Archaeology

  • Plant diffusion in the pre-Columbian world
  • Did Chinese Ships Anchor off California 1000 years before Columbus found San Salvador?
  • An Olmec-Chinese Connection

Astronomy

  • Our Twin Planet?
  • Evidence that Mars is a former Moon!

Biology

  • The Itjaritjari
  • Tick-Tock: Telomeres count off the generations of a species' time on Earth
  • Stealth fish

Geology

  • The Dwarfing of island megafauna and the remarkable survival of some
  • A double-whammy for the Yucatan, but that's only part of the story

Geophysics

  • A sign? Star-of-David ice crystals fall upon West Sussex
  • Hessdalen: Valley of enigmatic lights
  • When coming events really cast their shadows before them!

Physics

  • Entangled moments

Mathematics

  • Patterns of very loosely knit prime numbers