IN the obituary notice of the late Dr. W. J. Russell, F.R.S. (NATURE, November 25, p. 101), whose genial friendship I enjoyed and with whom, when occasionally in London, I had friendly intercourse ...

In smaller volumes, like a glass of water or a drop on the leaf, water appears colourless to the naked eye since the volume is too little to absorb light and show the color.

Storing white wine in colourless glass bottles damages its quality by reducing the concentration of compounds that create flowery and fruity aromas 1. Some wavelengths of light degrade white wine ...