Issue 21 is complete!
On the cover: transition zone in brown alga. The tissue differentiates upwards into a flat lamella made of vascular tissue (yellow) and downwards into a cylindrical stipe composed mainly of cortex (orange). See: https://journals.biologists.com/dev/article/150/21/dev201519/334165/The-shift-to-3D-growth-during-embryogenesis-of
Also in Issue 21:
▪5 Research Highlights
▪In preprints on fluid flux
▪2 interviews
▪Chromatin source-sink Hypothesis
▪Histone modifications Review