5 February 2009

'Older', and 'everywhere'

  • Traces of [multicellular] animal life have been found in rocks dating back 635 million years.
  • research claims there are at least 361 intelligent civilisations in our galaxy and possibly as many as 38,000. [1]
(See also Just wondering)

Footnote

[1] 15 Feb: Galaxy has 'billions of Earths'.

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