The best of the rest from the physics arXiv this week:
A Limiting Rule for the Variability of Coding Sequence Length in Microbial Genomes
High-Sensitivity Diamond Magnetometer with Nanoscale Resolution
Parity-Violating Macroscopic Force between Chiral Molecules and Source Mass
Statistics of Multiphoton Events in Spontaneous Parametric Down-Conversion
Neutrinos from active black holes, sources of ultra high energy cosmic rays
Evidence of Phonon-assisted Tunnelling in Electrical Conduction through DNA Molecules
Pedestrian Flow at Bottlenecks
Does Avian Magnetoreception Rely on Both Magnetite and Maghemite?