The satellite - which had been intended to study the effects of climate change - should have separated from the rocket and deployed its solar panels some nine minutes after take-off, at an altitude of 302km.

BBC: South Korea rocket 'explodes' moments after take-off

Second, take a break of some sort every 90 minutes or so, whether you want to or not.

FORBES: What are your top three productivity tips?

This is inevitably painful for the baby, and in some cases, it can take minutes for this distress to recede - which could be a problem for a baby whose health is in the balance.

BBC: Premature babies 'need cuddles'

The new film unwinds in one take, lasting ninety minutes, and by some miracle we grow happily accustomed to its rhythm, like children held rapt by a bedtime story.

NEWYORKER: Russian Ark

Coventry benefited from some lax defending to take the lead on seven minutes.

BBC: Coventry 2-1 Millwall

In some cases, it might take up to 30 minutes.

CNN: Placenta: How it works, what's normal

Some people, it's 20 dark minutes of their life that they decide to take their life that comes out of the blue.

CNN: Hemingway family mental illness explored in new film

To relax the eyes, some experts recommend that for every 20 minutes spent staring at a computer, people should take a break for 20 seconds and look at least 20 feet away, ideally out a window.

WSJ: The Crucial Years for Protecting Your Eye Health

Its weight didn't take an immediate toll on this editor's arms, but some light fatigue was noticeable after about 20 or 30 minutes of play.

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