The best of the rest from the physics arXiv this week:
Grain Size Dependence of Barchan Dune Dynamics
On the History of Geometrization of Space-time: From Minkowski to Finsler Geometry
The Upper Atmosphere of HD17156b
Nano-Scale Brushes: How to Build a Smart Surface Coating
Identifying the Potential Biosphere of Mars
The Muisca Calendar: An Approximation to the Timekeeping System of the Ancient Native People of the Northeastern Andes of Colombia
Deuterium Microbomb Rocket Propulsion