Before you request a paternity test, spend a few minuteslookingat your childs eye color, Bruno Laeng and colleagues attheUniversity of Tromso in Norway said in the study.

• 本周一公布的一项调查结果表明，蓝眼睛男人对蓝眼睛女人情有独钟，而其中的主要原因则是眼睛的颜色能够帮助他们判断女方是否忠实。