Definitely a beautiful project, at 7 feet long and 1 foot in diameter, this monster tube makes an impressive display of plasma filaments that slowly move inside. Heck, they almost seem to be ...

GPs are having to make difficult choices about which patients get blood tests because of the ongoing shortage of test tubes, doctors are warning. The vials used for blood tests are currently in ...

As a matter of fact, these test tubes are characterized by such features that make them extremely easy to use: for example, the presence of an arrow to indicate the blood level, the convenience in ...