Although uncommon, a drug test may report the presence of illegal drugs, even if none were taken. There are plenty of legal foods and medications, from bagels to cough suppressants, which contain minuscule traces of these drugs. Click âView Slideshowâ to see the list of everyday things that contain substances known to cause false-positives.
For the EGRET satellite mission, see Energetic Gamma Ray Experiment Telescope. An egret /ËiËÉ¡rÉt/ is a bird that is any of several herons, most of which are white or buff, and several of which develop fine plumes (usually milky white) during the breeding season. 1 Biology.
The distinction between a heron and an egret is rather vague, and depends more on appearance than biology. The word egret comes from the French word aigrette that means both silver heron and brush, referring to the long filamentous feathers that seem to cascade down an egret's back during the breeding season.