Summary
A new study links the introduction of smartphones to a sharp drop in US fertility rates between 2007 and 2011.Researchers found that birth rates fell more in counties where … [+8377 chars]read more
Summary
A new study links the introduction of smartphones to a sharp drop in US fertility rates between 2007 and 2011.Researchers found that birth rates fell more in counties where … [+8377 chars]read more