The best of the rest from the Physics arXiv this week.
A cancer screening test pitched at you and me could cause more problems than it catches.
Next time you need to choose, why not let a photon make the decision instead?
Mobile phone data reveals large-scale human activity that is otherwise hidden from view. Now one website visualizes and compares the activity in different cities.
The way fashion shows influence street-chic outfits has long been debated. Now a machine vision system that can track how fashions spread through society is providing the first hard evidence.
A vivid image of a beating heart tested Facebook’s system for handling complaints from the public.
A machine-learning algorithm picks out the fashion models most likely to succeed.
Another chance to catch the most interesting and important articles from the previous week on MIT Technology Review.