The researchers Katherine Ensor and Loren Raun cross referenced the time and place of the cases against air pollutant levels recorded by the extensive network of air monitors throughout the Houston area.
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The researchers argue that the rise of asthma in Western Europe could at least partly be attributed to the increasing exposure of children to the by-products of chlorine in the air and water of indoor swimming pools.
The caving crew descends through tight passages hundreds of feet beneath the Earth's surface, guided by the gust of air that marks the cave's primary passage.
This small area of the south east sees by far the largest concentration of air traffic, and the 18 minute window required by iFACTS is a luxury here, explained Nats General Manager Paul Haskins.
As years passed by and the air of Irish Independence spread, the estate was sold to the Patrician Brothers, who operated the property as a popular boys school.
For extra credit, perhaps one of you enterprising readers would like to calculate how much carbon dioxide has been released into the air by the burning of 6.3 million gallons of oil.
Iraqis celebrating the end of the week in Baghdad were interrupted by the wail of air raid sirens, although they were told at first the sirens were a test.
This refraction eliminates both the red end of the spectrum (red light is not bent enough by the air layer to form part of the second image) and the blue frequencies (which are scattered away: this selective scattering is why the sky is blue).
One wonders how Doug Von Allmen, who began life in poverty, working as a window washer and factory grunt, became a man intolerant of any "creaking" on his yacht, irritated by the slightest whooshing of the air-conditioning system and concerned with the placement of gold-plated toilet-paper dispensers.
Specifically the case that was finally admitted into the hallowed corridors of the Chancery Court was brought by Air Products and Chemicals against the board of directors of the company it was trying to acquire, Airgas.
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Such deals, if confirmed, could help fill the void left by the closing of the Manas Air Base in Kyrgyzstan.
Michael Anton's quiet life amid the tinned peas, soap and cereals of his mother's grocery store in Baltimore's Polish neighbourhood is tossed into the air by the whirlwind arrival of the pretty, vibrant, red-coated Pauline Barclay.
The flash itself is actually a second image of the sun, caused by refraction of its light through the layer of air closest to the sea.
And, two minutes later, Warrington cashed in with their sixth try when a Briers kick was plucked out of the air by Hicks, who squeezed the pass out of the tackle for King to score in the corner.
The miner was treated for possible pelvis and spinal injuries by ambulance crews and was taken by air to the University Hospital of Wales, Cardiff.
Air power enthusiasts had been making that claim continuously since the Wright Brothers proved the feasibility of heavier-than-air flight in 1903, so by the time the new millennium rolled around there were plenty of people in the Air Force ready to believe it.
On the Illinois River in Peoria anglers armed with bows and arrows hunt Asian carp that leap high in the air, agitated by the sound of boat engines.
The Manta Air Base in Ecuador is currently used by the United States Air Force (USAF) division of the United States Southern Command for operations against illegal cocaine trafficking in northwestern South America.
CENTERFORSECURITYPOLICY: China displaces the U.S. at Ecuador's Manta Base
In March 1999, Piccard was on the final leg of an around-the-world journey by hot air balloon the first-ever nonstop flight of its kind when his Breitling Orbiter 3 swept low over the Egyptian desert and skidded to a halt on the corrugated plains.
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As I wandered, the still air was broken by the sound of roaring engines, while at the harbour, a dozen speedboats powered their way out to sea.
Not surprisingly, the festive air is spoiled by the intrusion of Kym, who feels constrained by her protective father (Bill Irwin) and then flashes into fearsome combat with her mother (Debra Winger).
Expectations are high among some financial analysts, investors and industry experts that the low-cost airlines, which now hold only 7% of the intra-European air travel market as reckoned by the number of passengers they fly, and even less by revenue, can reach the penetration levels achieved by their U.S. counterparts.
While Apple has been known to build smaller and sleeker products without lowering the price (as evidenced by the first few iterations of the MacBook Air), most analysts believe that the iPhone Mini will be a cheaper smartphone.
Seventy-one-year-old Berlusconi, who ranks 90th on the Forbes 2008 list of billionaires, said while he had first been silent at first, he was "dismayed" by the "unacceptable" condition being offered by Air France-KLM and the prospect of losing a national airline, while countries such as Greece and Portugal kept theirs.
That said, the 2% by volume that goes by air accounts for around 35% of the value: light, expensive goods such as high-end electronic components tend to be flown.
Hundreds of British and Afghan forces are moving by land and air towards the town of Saidabad.
Earlier, Labour peer and former health minister Lord Warner accused ministers of "throwing all the organisational cards up in the air" by getting rid of SHAs before financial challenges to NHS had been dealt with.
The resolution also targets individuals and institutions explicitly connected with the North's WMD program, strengthens interdiction measures to limit the transfer of WMD technology by land, sea and air, and also prohibits the transfer of luxury commodities - such as jewellery, yachts and cars - to the North.
BBC: North Korea: Will new UN sanctions persuade or provoke?
But Saints made sure of the win when Long's high kick was plucked out of the air by Pryce for his side's fifth try and Long added the conversion, before completing the scoring with a late penalty.
The ceiling growing higher and higher, until finally it was obscured by the blueness of empty air.
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