... Kurile Islands, Kamchatka in eastern Russia, and thence via theAleutian Islands to Alaska.7 04 volcanic explosionsAspects of the scenario are still debated. Especially uncertain is how all of thesecells ... 2000Valtaoja: personal communication, 2002Brain imagesLandau: W.M. Landau et al., Transactions of the American Neurological Association, vol. 80,pp. 125–9, 1955Scandinavian researchers: N. Lassen ... in a museum. There is a Dark Age of a billionyears, or perhaps much less than that, between the microwave background andthe appearance of the stars and galaxies. Very distant objects are also...