A simple protocol to introduce random mutations, named error-prone rolling circle amplification (RCA), is described. A template plasmid is amplified by RCA in the presence of MnCl 2 and used for ...

Discover how simple random sampling ensures accurate and unbiased population research, offering efficiency and fairness over ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

How to generate random numbers with no duplicates in Excel Your email has been sent Over the last few months, I’ve written about several of Excel’s new dynamic array functions. They’re powerful and ...