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Yesterday's Sunday Times devoted the lead slot of its front page to a long examination of the effects of the web on the attention spans of teenagers. In the tradition (yes, it is now a tradition) of Nick Carr, the piece concludes that, essentially, our smartphones - and our Facebook and our YouTube and our web in general - are robbing kids of their ability to concentrate. Neuroplasticity! "Researchers say the lure of these technologies, while it affects adults too, is particularly powerful for young people," the piece notes. "The risk, they say, is that developing brains can become more easily habituated than adult brains to constantly switching tasks - and less able to sustain attention."

ScienceDaily (Aug. 19, 2011) - Boys are maturing physically earlier than ever before. The age of sexual maturity has been decreasing by about 2.5 months each decade at least since the middle of the 18th century. Joshua Goldstein, director of the Max Planck Institute for Demographic Research in Rostock (MPIDR), has used mortality data to demonstrate this trend, which until now was difficult to decipher. What had already been established for girls now seems to also be true for boys: the time period during which young people are sexually mature but socially not yet considered adults is expanding.