The authors report that adolescents are far more likely to commit a violent act if a friend has already done so—adding evidence to a mounting theory that violence in communities can spread like a disease. Even outside of more serious lexis, films like American Pie hold their female characters to a lower regard than the men — their comedic value is often underestimated or left for a sequel, if the original male version is popular. Hollywood needs to do better by teenage girls and their interests. Ask Smithsonian.
Types of breast cancer. Coconut octopuses are among the most intelligent invertebrates around: Most notably, smartphone ownership has become a nearly ubiquitous element of teen life: By accessing follow-up interviews that were done with nearly 6, of the teenagers years later, the researchers were able to see whether they had practiced violent behavior in the past year—namely, getting into a serious fight, pulling a weapon on someone or hurting someone badly enough that they needed medical attention.