What the researchers didn't find in the feces are bone or other bits of undigested animals.
研究者们在恐鳄的粪便中也没有找到骨头或其他未被消化的动物残骸。
What started as a work of art and science fiction may become a medical miracle that benefits burn patients, aids bone regeneration and one day may even make us bulletproof.
在科技小说或艺术作品中可以治疗烧伤病人，帮助骨头痊愈甚至可以防弹的医学奇迹即将变为现实。
We have what are called mesenchymal stem cells. This type of stem cell goes on to become either fat or bone.
间质干细胞是一种有分化潜能的干细胞，它可以分化成脂肪细胞或者骨髓细胞。
Five years ago, the United States Department of Homeland Security investigated what it considered a suspicious shipment from Thailand and found instead a prehistoric bone.
五年前，美国国土安全部调查了一起运自泰国的可疑货物案件，发现了一块史前的骨骼化石。
你说bone head, 你是指那头鹿头上有骨头？
They have to deduce from the shape of each bone what the muscles were like.
他们必须从每块骨头的形状来推断其肌肉是什么样的。
Disobedience in women is crushed and you are disobedient. It is in you, it is in your bone marrow. I can only attempt to tell you what is right.
顺从是女人的天性，而你却从不顺从，那是你与生俱来的，根植于你骨髓的品性，我能做的只是试着去告诉你什么是正确的。
"The boy is very young, " says one guest, sucking marrow out of a bone. "He won't know what to do with the bride.
“这家伙很小啊，”一位客人一边吸着骨髓一边说，“他不知道要对新娘做什么吧，到最后他可能就是闻闻她的气味。”
Even more amazing than the staggering number of cells, though, is the fact that, by and large, they all know what to do - whether to become skin or bone and so on.
尽管细胞的数量非常惊人，但更了不起的是，这些细胞基本都知道如何各司其职——是变成皮肤还是骨骼，等等。
And based on those preliminary data, we're also seeing a very rapid decline in bone mass in cancer patients on the order of as fast as what astronauts experience from microgravity.
初步数据表明，试验中癌症患者的骨量也发生了急剧流失，速度类似于宇航员在微重力环境下的骨质流失。
What is your biggest and smallest bone?
你的最大的和最小的骨头是什么？
The blink system starts with what researchers call an eyelid sling, a small piece of muscle or fabric that holds the eyelid. The sling attaches to bone around the eye.
眨眼活动是由研究人员所谓的眼皮吊所引起的，它是用于支撑眼皮的一小块肌肉或组织。
“I don’t know what to make of this, at least not until there is more substantial fossil material than a partial finger bone, ” he says. “It may be going too far to propose a new hominid.”
“我不知道怎样解释这个东西，但是至少得等到有更多真实的化石材料可研究才能盖棺定论，仅凭一块手指骨，”他说“现在就提出有新的史前人类还为时过早。”
Yes and there is no more bone; the bone is gone. This is what separates.
杰克：是的，这里没有骨头，骨头不见了。这是分离的。
Two weeks ago, on March 24th, what appears to be an entire new species of human was announced on the basis of the DNA preserved in a single finger bone from Siberia.
两周前的3月24日，在西伯利亚发现了一块指骨，根据其中保存的DNA，基本能断定其来自于一个前所未知的新人种。
If you don't get enough calcium from your diet, your body will leech what it needs from bone, which ultimately leads to thinning.
如果我们不能从饮食中补充足够的钙质，身体将从骨骼中强取钙，这最终将导致骨骼变细变薄。
If you are diagnosed with low bone mass, ask what medications might help keep your bones strong.
如果你被查出骨密度偏低，问问什么药物可能有助于保持骨骼强壮。
What is your most important bone?
人体骨最重要的骨头是什么骨头？
X-rays of King Tut's mummy performed in 1968 revealed what looked like a bone fragment in his skull, which fueled the belief that king Tut may have been murdered by a blow to the head.
1968年x射线拍片显示图特木乃伊的颅骨处有类似骨折碎片的东西，据此印证了一个猜想，即图特卡蒙法老是头部遭重创而被谋杀的。
Where they differ is in what they connect – tendons connect muscle to bone while ligaments attach bone to bone.
它们的不同之处在于所链接的东西-肌腱将肌肉和骨头链接，而韧带是“骨头”与“骨头”之间的链接。
I wonder what a bone spur is, he thought.
不知道骨刺是什么玩意儿，他想。
Time spent in zero G changes the body: Astronauts come home with bone loss and weakness. But what happens in their heads?
失重会改变身体：宇航员回家时会有骨质流失和肌肉无力的感觉，但是他们的大脑里会发生什么呢？
What is the most common site of primary bone lymphoma?
骨原发性淋巴瘤最易发生于哪个部位？
What is the most common site of primary bone lymphoma?
骨原发性淋巴瘤最易发生于哪个部位？
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