▽Journal home : Nature ●05/06 17:37 Trump proposes unprecedented budget cuts to US scienceHuge reductions, if enacted, could have ‘catastrophic’ effects on US competitiveness and the scientific pipeline, critics say.Jeff TollefsonDan GaristoAlexandra WitzeTeens with anxiety and depression spend more time on social mediaSurvey of thousands of young people shows that those with mental health conditions spend more time on social-