BBC NEWS | Science & Environment | Number of alien worlds quantified.
How many ETI civilizations out there? Just 361 to maybe 38,000 or thereabouts. One thing frustrates me with such figures is the lack of qualifiers reported by the science newsdesks – the assumptions Duncan Forgan used to derive the numbers are more important than the numbers themselves. And what can we really say? How little we really know…
More later after I read what he actually has to offer.