Research found that music videos on MTV portrayed tobacco use (25.7%) and alcohol consumption (26.9%) more frequently than other networks, with a significant association between sexuality and alcohol use. The study also highlighted the importance of media in shaping adolescents' attitudes towards smoking and drinking.
Researchers at Penn State discovered that forest tent caterpillars can evade trees' defense mechanisms by defoliating branches too rapidly for the tree to respond. This social eating pattern may be their protection against a tree's natural defenses, making them chemically invisible to the tree.
Scientists have discovered a common mechanism underlying neurodegenerative diseases, where mutant proteins accumulate in nuclear spaces, recruiting normal proteins and disrupting cellular processes. This finding suggests a single disease mechanism may be responsible for several afflictions.