December 23
Come all ye scientists, busy and exhausted. O come ye, O come ye, out of the lab
A short correspondence in Nature from holidays past, but maybe still relevant today? 
Ladle, R., Malhado, A. & Todd, P. Come all ye scientists, busy and exhausted. O come ye, O come ye, out of the lab. Nature 450, 1156 (2007). https://doi.org/10.1038/4501156a