Original sentence: Bikini Science—an examination and classification of women's swimwear.Early examples were not very different from the women's two pieces common since the 1920s, except that they had a gap below the breast line allowing for a section of bare midriff.The first bikinis appeared just after World War II.This type of glamour photography eventually evolved into swimsuit photography exemplified by the annual Sports Illustrated Swimsuit Issue
Edited sentence: Early bikinis were not very different from the women's two pieces common since the 1920s, except that they had a gap below the breast line allowing for a section of bare midriff.The first issue featured the bikini, which had made its appearance in 1946.This type of glamour photography evolved into swimsuit photography exemplified by the annual Sports Illustrated Swimsuit Issue which commenced in 1964