Studies point to causes that range from “the never - ending process of learning how to use new technologies to the blurring of work and home life as a result of innovations like e - mail, call - forwarding and wireless phones. ”
त्या अहवालानुसार, “एक मादी आपल्याच वयाच्या १०० हत्तींना त्यांच्या आवाजावरून ओळखू शकते. ”