630 SCIENCE MAGAZINES CIRCULATION Publication AIM=!MIii.. NAUTILUS 19,788 * ASTRONOMY 102,752 DISCOVER 393,929 POPULAR SCIENCE 1,084,294 SCIENCE NEWS 84,250 SCEINTIFIC AMERICAN 399,534 TECHNOLOGY REVIEW 171,733 SCIENCE 81,891 paid + 21,378 sponsored & non- paid = 103,269 NATURE Nautilus d

sual cues from the opposite sex. Males escaped much of the damage of the frustrating experience If they could mate with females afterward, the 10 SCIENCE NEWS I January 11,2014 Fruit flies have their own version of anticipa- tion, and failure to mate as expected turns out to have physiological costs. res