Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！ 科学美国人60秒...
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！ 科学美国人60秒...
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！ 科学美国人60秒...
Telomeres are parts of chromosomes that protect the ends of the chromosomes. Theyre often likened to the aglets(绳两端的金属箍) at the end of shoelaces(鞋带). And like aglets eventually crack, telomeres tended to get shorter over time, with...
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！ 科学美国人60秒...
Imagine being able to insistently see what location you happen to be at, looked like 575 or a hundred years ago. A team of app developers wants to use today's ubiquitous digital camera culture to meet such appearing into the past possible. The app ca...
A small but growing market exists on the internet for human breast milk. Now a study finds that buyers should really be aware: some purveyors(供货商) of breast milk appeared to be adulterating(掺加) their product with cows milk. Such bovine(牛的...
Body odor. The smell of BO is unmistakable. And the culprit(犯人) behind that signature stench(恶臭) is a molecule called thioalcohol(硫醇). Our noses are so attuned(理解的) to it, we can pick up quantities as small as one part per trillion....
Im running over the Williamsburg Bridge in NYC. It connects Brooklyn to downtown Manhattan. Its one of my favorite places to run, cause the views are great. Until you look all the taxis and trucks spewing(喷出) exhaust always makes me wonder, is th...
People with type 2 diabetes have to keep a close watch on their blood glucose levels. Now a small study finds that having the day's biggest meal at breakfast and a smallest meal at dinner offers much better than glucose control than having a small br...
