Gram positive pathogens..... in Literature

A quick look at gram positive pathogens throughout the ages, in literature, using the new Google Ngrams.

#9 The Santa Claus

#12 The Vague

Let there be Light !... Bioluminescence part 2

The roles that bioluminescence plays in the lives of organisms today is fascinating. How did this trait evolve? This is a complex question, because bioluminescence is believed to have evolved around 50 different times in different species of animals.
So how do living creatures produce light? Well, the actual question that needs to be asked is how do living creatures produce visible light.

#30 The Oh No