Editing Janus (disambiguation) (section)

== Science ==
* [[Janus (genus)|''Janus'' (genus)]], a genus of stem sawflies in the family Cephidae
* [[Janus-faced molecule]], used to describe a molecule whose effects on organisms can vary between beneficial and toxic
* [[Janus Experiments]], a series of experiments on radio-sensitivity in mice and dogs
* [[Janus kinase]], an intracellular signalling molecule; component of the JAK-STAT signal system
** [[Janus kinase inhibitor]], a medication that inhibits the activity of the Janus kinase enzymes
* [[Janus particles|Janus particle]], an amphiphilic particle with a surface that is half hydrophilic half hydrophobic
*  [[Transition metal dichalcogenide monolayers#Janus TMD monolayers|Janus TMD monolayers]], a type of asymmetric [[Transition metal dichalcogenide monolayers|transition-metal dichalcogenide monolayers]]
* [[Janus (spacecraft)]], a NASA mission to binary asteroids