How a naturalist found safe colours for soldiers

Was Spinoza a Naturalist?

In this article I dispute the claim, made by several contemporary scholars, that Spinoza was a naturalist. ‘Naturalism’ here refers to two distinct but related positions in contemporary philosophy. The first, ontological naturalism, is the view that everything that exists possesses a certain character (variously defined) permitting it to be defined as natural and prohibiting it from being defin...

How safe is safe enough?

Hospitals are rather strange places to work. The rationale, after all, of purposely concentrating into close quarters the sick, the frail, and the contagious is elusive at times. Further compounding the situation is the introduction of healthcare workers into the mix, usually at the ratio of approximately five or six full-time employees for every hospital bed. In no other circumstance, except p...

1 Naturalist A

How Are Agn Found?

We discuss the very different methods in each wavelength band for selecting and finding Active Galactic Nuclei (AGN). We briefly review the history of the different techniques for finding AGN and compare and contrast the advantages and difficulties of selection in different wavelength bands. We stress the strong selection effects in each wavelength band and the difficulty of defining complete s...

How Safe Is Safe for Marine Toxins Monitoring?

Current regulation for marine toxins requires a monitoring method based on mass spectrometric analysis. This method is pre-targeted, hence after searching for pre-assigned masses, it identifies those compounds that were pre-defined with available calibrants. Therefore, the scope for detecting novel toxins which are not included in the monitoring protocol are very limited. In addition to this, t...