Various labs are doing radiocarbon-dating of the bones to more precisely date them.

But now scientists have noticed a strange trend among those mammoth remains.

不过现在科学家们在那些猛犸象的遗骸中留意到了一个奇怪的趋势。

Researchers got the DNA that codes for hemoglobin from a 43,000-year-old mammoth specimen. They then used E. coli bacteria to produce actual mammoth hemoglobin.

研究人员从一头43000岁的猛犸象标本中获取了其血红蛋白DNA，然后用大肠杆菌培养新的血红蛋白。

because a woolly mammoth fossil was found in the state way back in 1725

因为猛犸象化石早在1725年就发现于州里

The woolly mammoth evolved from earlier mammoth species around 400000 years ago.

从早期的猛犸象进化而来的长毛象生存于约40万年前。

Due to just a few key structural changes, mammoth hemoglobin can release oxygen more readily at cold temperatures.

因为有少数关键的DNA结构发生改变，所以可以推出猛犸象的血红蛋白可以在低温环境下把氧气输送到身体的各个部位。

" What was a mammoth like?" the children asked their teacher curiously.

“猛犸象是什么样子的？”孩子们好奇地问他们的老师。

If humans caused the elephant and mammoth extinctions, Surovell reasoned, the timing of the die-offs in specific regions should match human expansion into those regions.

Surovell提出，如果主要原因在于人类，那么特定地区大象和猛犸象的灭绝情况应与人类在该地区的扩张一致。

What if I am the last mammoth?

如果我是最后的猛犸象怎么办？

urging them to make the woolly mammoth the official state fossil

请他们将猛犸象定为官方州化石

But the state senate passed a bill defining the woolly mammoth as having been

然后州参议院通过的法案中却将猛犸象定义为

He tells of seeing tremendous animals resembling the mammoths of antiquity moving through the brush.

他讲述看见了巨大的动物-类似古代活动的猛犸象-在灌木里行走。

To trace their evolution, the researchers made a large-scale comparison of elephants to other mammal species-including extinct relatives like woolly mammoths and mastodons whose DNA remains in their fossils.

为了追溯它们的演化过程，研究人员对大象和其他哺乳动物（包括猛犸象和乳齿象等虽然已经灭绝，但DNA在化石中得到保存的现代象的“亲戚们”）的基因组进行了大规模的比对。

Studies on Wild Amur Tiger ( Panthera tigris altaica) During Winter Time in Hunchun Nature Reserve, JiLin

吉林珲春自然保护区冬季野生东北虎（Panthera tigris altaica）生态学问题研究

The Development of Research of Jilin Northeast Tigers Basketball Club

吉林东北虎篮球俱乐部的发展现状与对策研究

Blood samples from pre-immune Amur tiger, African lion and lynx were collected and the antibody against CDV was measured by neutralization tests.

采取某动物园未免疫的东北虎、非洲狮、猞猁血样，用中和试验检测，结果显示这些动物的犬瘟热病毒（CDV）抗体水平均小于1：5。

Identification of polymorphic microsatellite DNA loci and paternity testing of Amur tigers

东北虎微卫星DNA遗传标记的筛选及在亲子鉴定中的应用

Experts said the tiger should return to the wild as soon as possible, as the evaluation, with no abnormal behaviors or risk of disease.

经评估论证，专家认为这只野生东北虎生理指标正常，不存在异常行为和疫病风险，适宜尽快回归自然。

Separation and Identification of Pathogen of Pasteurellosis from Tiger and Its Pathological Observation

东北虎巴氏杆菌病的病原分离鉴定及病理学观察

A Study on the behavioral models of Amur tiger in captivity

笼养条件下东北虎行为模式的研究

Study on the Significance and Measures to Protect Wild Manchurian Tiger

浅论野生东北虎的保护现状及保护措施