u know guys............ recent studies say laptop ko heat le affects the temperature of ur scrotum ani it may affect the quality of sperm its becos our scrotum temperature is 2-3 degree below the body temp. n its nature arrangemment to make our sperm viable........thats why scrotum is below the body touch.......na bhaye scrotum could have been in thigh or abdomen not hanging like that if u work awe hours puttting it on our lap beware u may be damaging ur sperms janahith ma jari i m not talking vulgur its fact