They asked participants to report on their own psychological health during that time to estimate the "green space effect".

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Jack Ng and his colleagues at the University of North Carolina, Chapel Hill, have written a paper arguing that Dr Lieu overestimated by a factor of several million the effect that fluctuations in space and time would have on light.

ECONOMIST: Planck-scale physics

And we have pursued a policy that we believe there is time and space at this point to allow -- to have an effect, to have the result that we desire.

WHITEHOUSE: Press Briefing

Gerrard was allowed time and space with the ball in midfield and he used it to telling effect as he slid a ball through to Torres, who took a lovely first touch and held off Gary Caldwell before catching Al-Habsi off guard by taking his shot early to find the bottom corner.

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