HealthWhat is 'problematic smartphone use' and should we worry about it? Two studies have linked "problematic smartphone use" to higher rates of anxiety, depression and insomnia among teenagers, but the researchers haven't shown that excessively using such devices directly causes these issues News
HealthHow diseases like smallpox survived long ocean voyages Modern mathematical tools reveal the conditions pathogens needed to remain active in a ship’s population for the duration of a historical journey News