Ancient human tracks on South Africa's west coast

It's been 27 years since geologist David Roberts identified some of the oldest footprints of our species ever discovered. The trackway of three footprints was found on the surface of a cemented sand dune (called an aeolianite) ...

Criminologists explore motivations behind graffiti

Youths who paint graffiti on businesses and public property, also called street taggers, say they don't view their actions as criminal because they are not injuring anyone and the graffiti can be easily erased, according ...

Graffiti: Art or eyesore?

Graffiti is slowly starting to be seen as an art form for the disenfranchised, yet you'd never know it by reading the news, a Michigan State University sociologist argues in a new study.

German railways to use mini drones to stop graffiti

Germany's railway operator plans to deploy mini drones to catch vandals who deface its trains with graffiti, with the aerial vehicles shooting thermal images of its train depots at night.

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