Photoshop disasters: A classic that is going strong thanks to the contributions of its many visitors.

Mad Men Yourself: I got these cartoons of myself as part of the cast of Mad Men, the uber-cool TV series for adults.

I am the dude in the center between Joan (Christina Hendricks) and Don Draper.

Intheair: Pollution in Madrid. A great tool to visualize the microscopic and invisible particles and gases on the air above Madrid.

BBC pictures of the spread of ash and glass from the Eyjafjallajökull volcano

I am stunned by the work “Wind as a Long-Distance Dispersal Vehicle in the Southern Hemisphere” published at Science. It provides empirical evidence of a hypothesis from mid-19th century that postulated that the wind is an efficient agent of dispersion of plants in long distances, even more so than spatial vicinity, for many plants.

Source: Science

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