Investopedia / Michela Buttignol Six Sigma certification is a verification of an individual's command of a well-regarded quality assurance method. Certifications for Six Sigma training are awarded ...

Figure 1. (Left) Silica gel TLC plates (Sigma-Aldrich catalog). (Right) A typical TLC development. The small black dot near the bottom represents the crude mixture to be separated. You can see that ...

Even if you don't have teens or pre-teens in your house, you still may have heard the phrase "what the sigma." Before you play cool by acting like you know what it means when you actually don't, let's ...

That case made it all the way to the Iowa Supreme Court where the Justice's upheld the objection panel's decision meaning Aldrich's name won't appear on the ballot. "Running as a write in ...

The traditional full line pharmacy wholesale distribution business, retail and private label products. Also has national Presence in the hospital pharmacy distribution market, and through its ...

I do like a constant f/2.8 ‘trinity’ standard zoom but the Sigma 28-105mm F2.8 DG DN Art offers something a bit different. Compared with most 24-70mm lenses of the breed, I like being able to stretch ...

Guitarist Doug Aldrich has been diagnosed with throat cancer. The news comes just days after the former Dio, Whitesnake and Revolution Saints axeman finished a UK tour with the Dead Daisies at ...

The competition regulator is still expected to make its final call on the blockbuster merger of drug wholesaler Sigma Healthcare and pharmacy chain Chemist Warehouse in four weeks. In June ...