To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 1 A timelapse video (240x) of 35 Macrotermes michaelseni major workers building with soil on a plate at 40% relative humidity over 4 h. The soil reservoir is accessed through a hole at the centre of the otherwise homogeneous plate. Differential construction response to humidity by related species of mound-building termites Nicole E. Carey, Daniel S. Calovi, Paul Bardunias, J. Scott Turner, Radhika Nagpal, and Justin Werfel Journal of Experimental Biology 2019. 222:None-None; doi: 10.1242/jeb.212274 Download Original Video