Google Honors American Scientist Nettie Stevens(翻译)

The Internet search engine Google celebrated a woman scientist on Thursday.
本周四，互联网搜索引擎谷歌为一名女科学家举行了庆祝活动。

Her name might not be world-famous.But on July 7, on what would have been her 155th birthday, she was a trending topic on social media.
她可能并不是蜚声世界的。但在7月7号她155岁冥诞时，她成了社交媒体的热门话题。

Nettie Stevens studied genetic material.The American geneticist and biologist made an important scientific discovery in 1905.She found that the X and Y chromosomes decide the sex of a living organism.
Nettie Stevens研究遗传物质。1905年时，美国这位遗传学家兼生物学家做出了重要的科学发现。她发现X染色体和Y染色体能够决定生物体的性别。

Most human cells have 46 chromosomes.Each one is an extremely small line of chemicals with genes.
人体大部分细胞都有46条染色体。每条染色体都是一条极小的带有基因的化学物质。

On Thursday, Stevens’ likeness appeared on Google’s American homepage in the form of a Google Doodle.The picture led to a discussion about Nettie Stevens on social media.
本周四，谷歌首页涂鸦上出现了Stevens的肖像。该肖像引起人们在社交媒体上对她进行了一番讨论。

Throughout history, scientists and many other people had debated how the sex of a human being - and other animals - is decided.In the 1800s, for example, many Europeans believed that the food a mother ate during pregnancy helped determine the sex of her baby.
有史以来，科学家和其他人们一直都在讨论人类以及其它动物的性别是如何决定的。比如，19世纪时，很多欧洲人都认为，孕妇怀孕期间所进食的食物会决定婴儿的性别。

But Stevens’ research proved that X and Y chromosomes are the deciding factors.
但Stevens的研究表明人类的性别是由X染色体和Y染色体决定。

Her scientific research was groundbreaking.Yet she was not always given credit for the discovery.Another scientist, Edmund Beecher Wilson, found similar results at around the same time.He was most often credited with the discovery.
她的科学研究是具有划时代意义的。但她并未因此得到应有的赞赏。另外一名科学家Edmund Beecher Wilson几乎同一时间发现了同样的结果。人们因此项发现对他大加赞赏。

But on Thursday, it was all about Nettie Stevens.Her name was a trending topic on Twitter.
但本周四，人们讨论的全是Nettie Stevens。她的名字成了推特网上的热门话题。

One Twitter user wrote, “I’ve never heard of Nettie Stevens before today.Thank you Google Doodle for giving her appropriate attention and respect.”
一名推特用户写道：“在今天之前，我从未听说过Nettie Stevens。感谢谷歌涂鸦给予她应有的关注和尊重。”

And that’s What’s Trending Today.
以上是今日新鲜事。

I’m Dan Friedell.
Dan Friedell为您报道。