Enhanced heating of the stratosphere could be behind the heightened effects felt by Europe of changes in solar activity.
This could result in higher levels of honesty and self-disclosure - or heightened aggression and verbal abuse - in an anonymous chatroom.
Then, with the help of a spiritually heightened awareness, he was able to focus on those particular facts that would help him to see, in a metaphorical sense, the future.
Assad's frailty and a stroke suffered by Foreign Minister Shara in the fall of 1999 heightened Barak's sense of urgency.
In fact, psychologists use the term "imaginary audience" to describe this heightened state of vigilance that is especially strong during adolescence.
Its air of renewal has been heightened in this dour winter by Ronald Reagan's promise of "a new beginning" for the nation and by the glow of ruddy Sun Belt optimism he brings to it.
Heavy snows in the region during the winter of 2009-2010 heightened the risk of springtime floods.
The speed and thoroughness with which influenza-like illness in these nurses was investigated are indicative of the heightened concern among Indonesian health authorities.
The drama of the year is heightened, as the drumbeat of the days rolls towards Agincourt.
Fears for the future of Britain's Aston Martin car brand were heightened after the Kuwaiti sovereign wealth fund that owns half of the luxury carmaker admitted it was struggling to refinance its debt.
It could, for instance, be lowered just after eating a sticky cake or bowl of ice cream, or heightened if the metabolism needs more sugar.
According to two Czech psychiatrists, when carrots were withdrawn, he and the other patients lapsed into heightened irritability.
The results have heightened the party's fears that it will do dismally in assembly polls next month in Uttar Pradesh, India's most populous state, once a Congress stronghold.
Bad weather heightened the difficulty for them to carry out the task.
As the reign of Elizabeth proceeded the religious atmosphere heightened.
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