Overall speed estimates were offered without prompting from the mystery shoppers in 59% of cases.

BBC: BT trialist

How the next two installments in the trilogy are going to deal with the two and the three-way love triangle that lies ahead without this animating element is a mystery.

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Whether they managed to do it without triggering some huge tax bills remains a mystery.

FORBES: 5 Questions Congress Should Ask Obama Commerce Nominee Penny Pritzker

One big mystery is why hitting amyloid with a drug would benefit people without the APOE4 gene but not those with it.

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