ÎçÒ¹¸£Àû1000¼¯ºÏDoes limiting social media help teens? We'll finally get some evidence A trial will finally reveal whether limiting the time teens spend on social media really does affect their mental health Analysis
ÎçÒ¹¸£Àû1000¼¯ºÏWe can rewrite our genetic code: Best ideas of the century Our genomes are filled with errors that were once impossible to correct. But in CRISPR, we finally found an extraordinarily powerful tool for treating genetic disease – and perhaps making better versions of ourselves Features