The test tube incident led to an enforcement action by federal lab inspectors eight years ago. Yet the Army and federal regulators didn't detect more widespread problems at Dugway until a defense ...

Glass Test Tube In Scientific Laboratory Smithsonian Libraries and Archives. Click to open image viewer. CC0 Usage Conditions Apply Click for more information. ... See Negs SIA2011-0179 and ...

The Teatube Test Tube Tea Infuser ($11.99) is exactly what it sounds like: a tea infuser shaped like a test tube. Instead of whatever one puts in test tubes ( such as spices ), this kitchen helper ...

Different colored tube caps indicate which type of test is being run. The tubes then are put into machines to spin the blood to separate the plasma layer before collecting the cell-free DNA.