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For many people with asthma, air-quality advisories are harbingers of worsening symptoms. But for reasons science has struggled to explain, the extent to which pollution exacerbates asthma varies widely from person to person.

Whether children receive an opioid prescription after surgery varies substantially by procedure type and hospital, according to a new national analysis published in the Journal of the American College of Surgeons. The study also found that overall, nearly one-third of children ar

As drought and water uncertainty put increasing pressure on orchard systems, researchers at the USDA Agricultural Research Service's Appalachian Fruit Research Station in Kearneysville, West Virginia, launched a study in response to strong grower interest in how modern apple root

Final vowel in words such as happy, baby and chilly varies clearly by social class across the city Pronunciation of the “happy vowel” is one of the key indicators of social class in Mancunian accents, researchers have found.A sociolinguistic study, by Lancaster University and the

Our accents give away more about social class than we think, according to new research led by Lancaster University. The new sociolinguistic study focusing on Mancunian accents, published in the journal, Language Variation and Change, shows that the final vowel in words like happy

Sound of thunder varies depending on distance of listener from lightning as atmosphere muffles and absorbs sound A bolt of lightning heats the air almost instantly to as high as 30,000C, causing explosive expansion and a supersonic shock wave that becomes thunder. What that thund