Scientists have finally got a grip on our deepest sexual desires - by looking at what people type into Google。

The findings have been published in a book called A Billion Wicked Thoughts, co-authored by Ogi Ogas and Sai Gaddam. They have examined one billion online sex-related searches from around the world to find out what users click on when no one else is looking。

Among the findings are the fact straight men prefer heavier women to thinner ones and find feet erotic. They also enjoy a wide variety of erotic images, including both elderly women and transsexuals。

Meanwhile straight women enjoy reading about and watching romances between two men, but only when the focus is on emotion and not sex。

Gay men and straight men were found to have the same favourite body parts, which in order are chests, buttocks then feet。

Information from the search also found men fantasise about group sex more than women, and picture more men than women in the action。

Straight men prefer to watch amateur porn online and domination and submission is popular among straight women and gay men. Gay men also enjoy watching straight porn. Experts think because porn is so readily available on the internet it may be helping human desire evolve as billions of men and women log-on more and more。

However, Donald Symons, an evolutionary psychologist in United States, thinks the survey does not necessarily prove people find the images arousing and they may just be searching out of curiosity. Others point out that there is no way of knowing what motivated any of the searches。

通過調查人們在谷歌搜索框里輸入了什么關鍵詞，科學家終于窺到了人們深埋在內心的種種性欲望。

這些新發(fā)現(xiàn)刊載于一本叫《10億個邪惡想法》的書中，由Ogi Ogas和Sai Gaddam合著。為了了解網(wǎng)民私底下都會搜些什么內容，他們在世界范圍內檢查了10億條與性有關的搜索內容。

在眾多發(fā)現(xiàn)中，研究人員了解到直男更喜歡較為豐滿的女生而非苗條者，而且直男會覺得女生的腳很性感。直男們還喜歡看各種挑逗性圖片，甚至連老女人及變性人都不放過。

而“直女”則喜歡閱讀或者觀看兩個男人之間的浪漫故事，但該浪漫只涉及感情，跟性無關。

研究人員發(fā)現(xiàn)，男性不論彎直，他們喜歡的身體部位都是一樣的，按照喜好程度排序是胸、臀，最后是腳。

檢查搜索內容得到的信息還顯示，比起女人，男人更容易幻想群交，且在幻想中男人比女人多。

直男更喜歡在線觀看業(yè)余色情表演。而“攻”與“受”在直女和彎男中很流行。彎男也喜歡看男女色情作品。專家認為，由于容易接觸到網(wǎng)路色情作品，隨著成千上萬男女越來越多地上網(wǎng)，人們的欲望得以助長。

但是美國進化心理學家Donald Symons認為，該調查并不一定就說明了人們是在有意尋找挑逗性的圖片，他們或許只是出于好奇。其他學者指出，該調查無法得知這些搜索內容背后的動機是什么。