单词:occlusion evolution
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This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Creationists often publish lists of a few dozen scientists who doubt Darwin. So in 2003, the National Center for Science Education put together a list of 200 scientist
I learnt all about evolution when I was about ten years old. I remember it clearly. I thought it was amazing. My mind was full of images of strange creatures crawling out of a green, soupy lake. Fish that had somehow developed legs and the ability to
I've noticed that my daughter's teeth aren't growing straight. Her teeth are too big. Theredoesn't seem to be enough space for them. 我发现我女儿的牙齿长的不正,牙齿也太大了,好像空隙不好。 How old is your daughter? 你女儿
342943afecfcdaebbd.mp3 Treatment is usually started when the patient is 10 or 11 years old, after the deciduous teethare lost. 通常是在病人十岁或十一岁乳牙脱落之后开始进行治疗的。 That reminds me, Doctor; It seems that my da
SCIENCE IN THE NEWS - Evolution and Intelligent Design By Jill Moss Broadcast: Tuesday, March 15, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Sarah Long. VOICE TWO
Multi-media website explores human evolution Rosanne Skirble | Washington, DC 07 May 2010 'What's Hot in Human Origins' keeps you up-to-date on recent studies and research in the field. The human origins website at www.humanorgins.si.edu poses the ag