According to researchers in Argentina, man's supposed new best friend, the innocuous laptop, could seriously affect male fertility.<br /><br />In simulated tests, the sperm of 33 volunteer were all negatively affected. The mobility of the semen diminished and the breakdown of its DNA increased.<br /><br />While tests have yet to be conducted on female subjects, the discovery suggests the devices potentially reduces a man's fertility and increases the danger of genetic deformities in children who are born.<br /><br />Al Jazeera's Lucia Newman reports from Buenos Aires.