| strain differences in auditory thresholds in the canary (serinus canarius). | canaries (serinus canarius) of the belgian waterslager strain from two different colonies were trained with operant techniques for audiometric testing. for both young and old birds, absolute thresholds in the middle- to high-frequency region of the audiogram were between 30 and 40 db (spl) higher than those of other song birds, including canaries of other strains. thus the belgian waterslager canary, selectively bred for loud, low-pitched song, has also developed poor high-frequency hearing. | 1987 | 3608427 |
| the "canary incident" in w.c. field's 1928 earl carroll's vanities stage dental skit. | w.c. fields (1880-1946), a gifted writer, director and performer, became one of the greatest comedians, jugglers and pantomimes of all time. this crusty, opinionated curmudgeon, whose multifaceted career spanned most of the 20th century, made his name in burlesque, vaudeville, the legitimate stage, silent pictures, talkies, radio, books and recordings. 1-3 he died before a new media -- television - could have brought him even more success. the following article explores a fascinating incident wh ... | 2006 | 16764237 |
| health information exchange, biosurveillance efforts, and emergency department crowding during the spring 2009 h1n1 outbreak in new york city. | novel h1n1 influenza spread rapidly around the world in spring 2009. few places were as widely affected as the new york metropolitan area. emergency departments (eds) in the region experienced daily visit increases in 2 distinct temporal peaks, with means of 36.8% and 60.7% over baseline in april and may, respectively, and became, in a sense, the "canary in the coal mine" for the rest of the country as we braced ourselves for resurgent spread in the fall. biosurveillance efforts by public health ... | 2010 | 20079955 |