Weekends mess up weather

The weather is weird on the weekends — turns out that our collective going-to-work Monday-to-Fridayism actually messes up the weather in real time. Chances are, it's the differntial in aerosol use from day to day. (Thanks, Andy)

Because weekly cycles are rarely if ever found in nature, the observed fluctuations must therefore be anthropogenic in origin, the researchers write. In particular, they propose that cloud changes associated with aerosol particles in the atmosphere could be causing the weekend effect, though other pollution processes cannot be ruled out at this time.

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(via /.)