他们的研究结果可能影响我们的理解对地波怎样通过地球内部(科学繁殖317 1740)。
Their findings could affect our understanding of how seismic waves propagate through the Earth's interior (Science 317 1740).
但镜像生命也存在缺点,那就是它的繁殖不受任何捕食者或疾病的限制,科学家们必须对其保持密切关注。
On the down side, though, mirror life wouldn’t have any predators or diseases to limit its reproduction. They would have to keep an eye on that.
该产品被称为“培养肉”(在科学仪器中培养出来的肉),是从成千上万的、繁殖出来制造肌肉组织条状物的干细胞中制造出来的,整个过程完全没有离开过实验室。
The product, known as "in vitro meat", is made from thousands of stem cells which multiply to produce strips of muscle tissue without ever leaving the lab.
科学家们相信,这种重生同样会给生命提供新的繁殖地。
This rebirth could also lead to new breeding grounds for life, scientists believe.
从1960年代起,科学家就已经知道某些鞭尾蜥物种无需雄性繁殖后代,就像鱼不需要自行车一样。
Since the 1960s scientists have known that some species of whiptail lizards need a male even less than a fish needs a bicycle.
英国叫声最响亮的鸟——麻鸦,自从科学家跟踪记录繁殖出的100多只嘹亮啼叫的雄鸟后,对鸟儿们来说是个好年头。
Britain's loudest bird, the bittern, has had its best year since records began with scientists tracking more than 100 breeding males belting out their distinctive booming call.
由于母体的可遗传变异使得这些特殊的细胞不可能被用于繁殖,但是能够帮助科学家总结出繁殖过程。
Although this particular batch of cells is unlikely to be used for assisted reproduction because of the donor's heritable mutation, it will help scientists work the process out.
ERRC的科学家改进的另一种技术是利用脉动电场(PEF)杀死液体食品中的酵母菌、霉菌和繁殖性细菌。
Another technology that ERRC scientists have improved USES pulsed electric fields (PEF) to kill yeasts, molds, and vegetative bacteria in liquid foods.
一位认知科学家,大卫基尔,其报告指出,由于人类社会的进步越来越复杂,个人并不需要有那些为了生存和繁殖的智力。
One cognitive scientist, David Geary, argues that as human society grows increasingly complex, individuals don't need to be as intelligent in order to survive and reproduce.
科学家们说,如果这两种鸟类已经繁殖了的话,他们将早已发现遗传学上的“中间类型”——即来自这两个物种的基因的麻雀。
If the birds had been breeding, the scientists say that they would have found genetic "intermediates" - birds with genes from both species.
这是在2年前才发现的新情况。科学工作者现在将该岛看成是澳大利亚最主要的海狮繁殖地。
Discovered only 2 years ago, scientists now consider it one of the nation's most important Australian sea lion breeding colonies.
因此当科学家宣称他们正在克隆这棵树的基因的时候,他认为他们实际上是在繁殖一个神圣的灵魂。
So when scientists say they are cloning the tree's gene, he believes they are really propagating a holy spirit.
科学家们还试图利用雌蟒在繁殖期发出的气味引诱雄蟒掉入陷阱。
Scientists are also trying to lure male pythons into traps using the scent that females emit at breeding time.
科学家很久以来就知道在太空细菌和病毒的繁殖会更迅速毒力会更强。
Scientists have long known that bacteria and viruses grow more rapidly and virulently in space.
因为好多科学家很久以来一直认为,由于男性的繁殖能力可以长久保持,年老了再做父亲也没啥大不了的。
It's long been assumed by many scientists that because men remained fertile longer, becoming a dad as an old man was no big deal.
科学家以繁殖能力较强的果蝇作为实验对象,可以验证这一新的理论。
Conducting their experiments on the rapidly-reproducing fruit fly, the scientists were able to test this new theory.
科学家们已经知道,在很多动物中,当母亲拥有丰富的资源或相对较多的资源时会繁殖更多的雌性子代。
Scientists already know that in many animals, more sons are produced when a mother has plentiful resources or is high ranking.
动物园的科学家们正在为梅香的下一个繁殖期做准备。
Zoo scientists are planning for Mei Xiang's upcoming breeding season.
这些管道有14个上下叠在一起,排成四个长列。这种生物在流经管道时就在迅速繁殖,同时会变得浓厚而暗实,就像一位癫狂科学家的生化武器一样。
Multiplying rapidly as it flows through tubes, stacked 14 high in four long rows, the organism thickens and darkens like the bioweapon of a deranged scientist.
她在阿尔伯塔大学获得动物科学硕士学位,并主修后备母猪的管理与繁殖。
She received her MSc in Animal Science from the University of Alberta, specializing in Gilt Management and Reproduction.
在美国,主流观点是动物繁殖的优点相抵了跟克隆动物有关的潜在灾难,而欧洲的科学家则持相反观点。
In the US, the mainstream view is that the benefits in animal breeding offset any potential suffering associated with cloning, while many scientists in Europe take the opposite view.
而只要动物在此地建立了繁殖地,非法偷猎者就会造访此地,詹姆斯•吉布斯(James Gibbs)讲道。 (吉布斯先生在美国纽约州立大学的环境科学部工作。)
Given that animals have established breeding grounds, this dictates poachers' movements, says James Gibbs, who works at SUNY's environmental-science department.
使用干细胞技术,由richardr. Berhringer博士带领的德克萨斯州M.D.A nderson肿瘤中心的生殖科学家们利用两只公鼠成功繁殖出雌性和雄性老鼠后代。
Using stem cell technology, reproductive scientists in Texas, led by Dr. Richard r. Berhringer at the M.D. Anderson Cancer Center, have produced male and female mice from two fathers.
科学家本周五说,由于人类的过度捕杀,海洋中食肉性的大型鱼类越来越少,在过去一百年里只剩下小型鱼成倍繁殖。
Fewer big, predatory fish are swimming in the world's oceans because of overfishing by humans, leaving smaller fish to thrive and double in force over the past 100 years, scientists said Friday.
科学家们在旱季对这些在非繁殖地的红尾鸲观察了5年,同时又特别观察了旱季降雨的年际变化。
The scientists observed the redstarts in their non-breeding territories for five years during the dry season. They paid special attention to the annual variation in dry season rainfall.
尽管他的工作可能是无性繁殖,29岁的Hiley并不是一个典型的与世隔绝的科学家。
While his work might be cloning, Hiley, 29, isn't the archetypal reclusive scientist.
加州海洋科学信托研究机构,认为这些平台使得海洋生物繁殖,不应该全部被移除。
The California Ocean Science Trust, a research group that has advised lawmakers, thinks that platforms increase Marine life and should not all be removed.
加州海洋科学信托研究机构,认为这些平台使得海洋生物繁殖,不应该全部被移除。
The California Ocean Science Trust, a research group that has advised lawmakers, thinks that platforms increase Marine life and should not all be removed.
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