A new study from the National Highway Traffic Safety Administration finds that drivers who use marijuana are at a significantly lower risk for a crash than drivers who use alcohol. And after adjusting for age, gender, race and alcohol use, drivers who tested positive for marijuana were no more likely to crash than who had not used any drugs or alcohol prior to driving.

http://www.nhtsa.gov/staticfiles/nti/pdf/812117-Drug_and_Alcohol_Crash_Risk.pdf

Credit-card data shows "bikenomics" in action.

The draft version of the paper I obtained is a sober analysis of the press landscape and the role of emerging news aggregators. It notes that the available empirical evidence shows that newspapers actually benefit from news aggregation platforms – something that is also supported by the efforts made by publishers to appear in these aggregators in the first place.

Les plaignants souhaitent prouver qu’ils ont racheté un iPhone car ils trouvaient leur vieil iPhone trop lent et qu’ils auraient préféré n’avoir qu’à changer de batterie.