And future Fed chairmen cannot rely on the deflationary effects of globalisation to tame prices, as Mr Greenspan could, as over time that impulse will fade.

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Thorpe said there was nothing significant about the minute -- but after years of checking the clock following each race, Thorpe could not resist the impulse to peek at the time at the moment he made up his mind.

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Focusing especially on Christianity but including Judaism, Islam, Buddhism, Hinduism, and Chinese spiritualities, Armstrong examines the diminished impulse toward religion in our own time, when a significant number of people either want nothing to do with God or question the efficacy of faith.

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But at the same time, that's an impulse that we control as human beings.

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When there is no way of knowing exactly how long our skeins will run and when we imagine ourselves to have much more time than we do our every impulse is to fight, to die with chemo in our veins or a tube in our throats or fresh sutures in our flesh.

NEWYORKER: Letting Go

However, this impulse can become destructive: if you spend a lot of time alphabetizing your spices or setting up eighty categories for your home library, consider simplifying your approach.

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In time Ocado may decide to open some real-world stores to capture such impulse spending, build its brand and keep its warehouses busy throughout the week.

ECONOMIST: Online grocers

Should any of you want to join along with Piccard and Borschberg as they fly across the country, you can hit the Solar Impulse Across America website to see a livestream from the cockpit, along with real-time altitude, air speed and battery status of the aircraft.

ENGADGET