The pair revealed, among many other things, that we likely would have met the mother in May 2013 no matter what: The original plan was for the show to end after just eight seasons (meaning it would have been over...now), with the mother briefly introduced in the series finale.

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The album's lone voice comes from a disembodied robot, introduced briefly on the second track, "Vio vorum sma, " more as a narrator than a singer. (Think Radiohead's "Fitter Happier" from OK Computer).

NPR: Olafur Arnalds: 'Vid Vorum Sma'

Mr Flannery is a respected biologist with plenty of published papers to his name, but the book feels dilettantish, with a dizzying array of concepts introduced, briefly discussed, then dispensed with before the reader has had time to digest them.

ECONOMIST: An Australian scientist explores where we are now