【全文听写】 Hints Nature sushiIf you want to shell a walnut, it helps to have a nutcracker. And if you want to digest seaweed, it helps to have the right enzymes. Now, a study in the journal N...

【全文听写】 Hints: University of Colorado Boulder Proceedings of the National Academy of Sciences.They say that who you hang out with says a lot about who you are. Well, the microbes that hang o...

奶牛，山羊，绵羊需要借助细菌微生物的帮助来消化他们食用的植物，而他们中的一些细菌便能产生甲烷。 450)this.width=450" Hints: Darma wallabies Succinivibrio WG 1 succinate 选材／校对／翻译：hqj5...

奶牛，山羊，绵羊需要借助细菌微生物的帮助来消化他们食用的植物，而他们中的一些细菌便能产生甲烷。 450)this.width=450" Hints: marsupial kangaroos 选材／校对／翻译：hqj5715Intestinal gas is produ...

收录英语现代文优秀作品，语言优美地道，风格简洁明快，文体应用广泛，适合背诵与模仿。 涉及社会生活、人文科学、自然科学等领域众多题材， 四六级、托福、雅思、GRE考试常考话题尽数涵盖。 开始我们的听...

A painting that was once a masterpiece can lose its ___1___ after centuries of exposure to the elements. Its true hues may become ___2___ by grime and even buildups of salt. But now researchers i...

It’s graduation season. And some scientists got to wondering whether the folks who shake hundreds of hands while passing out diplomas ____1___ coming away with a fistful of infectious microbes, ...

Your is home to about a trillion bacteria. And they pay rent. They protect you from infection, they energy for you from what you eat and, if researchers are right, they affect your mental healt...

Good news for chilly doctors—you can wear long sleeves with ___1___ inside hospitals. Because University of Colorado researchers find that docs pick up just as much bacteria when ___2___ as they...

In the spring of 1912 an iceberg in the Atlantic took down the Titanic. Now, some humble bacteria are trying to finish the job. Scientists analyzing rust from the sunken ship have discovered a ne...