Keep 'em cool and airy

In 2004 researchers from the State University of New York found that habitual use of notebooks on man’s lap could lead into fertility hazards. The temperature increase of the male’s scrotum due to heat generated by the laptop could lead to lower sperm count. The study shows that one degree raise in scrotum temperature, sperm concentration drop by as much as 40%. Prolonged scrotum hyperthermia could lead to infertility.