"Ahu" are stone platforms on which many moai sit. There are 313 known ahu and 125 of these carry moai. The biggest, Ahu Tongariki is 220 m (720 ft), and had the most (15) and tallest moai.
In general, science journalism concerns itself with what has been published in a handful of peer-reviewed journals - Nature, Cell, The New England Journal of Medicine - which set the agenda.
There's been a slow death in a way. On the positive side, there are films getting into the Academy Awards that wouldn't have, but on the negative side, financiers are now dominant and making all the decisions. I can't count the ways a director's vision is compromised.
