单词：podosperms
单词：podosperms 相关文章
This is scientific american 60-secs science. I'm Sophy Bushwick. Got a minute? It takes a white chromosome to make a man, but that does't mean its counterpart, the x-chromosome, plays no part. In fact it has a big role in making sperm. To study x evo
Scientific American(七)月
[00:32.38]秋天 [00:46.38]It started with a chair. 故事得从这椅子说起 [00:48.42]∮Once∮ [00:51.42]∮I loved∮ [00:57.70]∮It was the world to me∮ [01:04.02]∮I cried∮ [01:04.46]∮Once∮ [01:10.14]∮At the thought I was foolish
听电影学英语-朱诺
Just below the Arctic Circle in northern Sweden sits a town called ?verkalix. Its home to only about a thousand people. But those inhabitants were the subject of a seminal study in human genetics. The research suggests it that what our parents, or ev
2015年Scientific American(十二)月
Beijing, Sept. 6 (Xinhua) -- A sperm donation scandal disclosed recently has aroused growing concern in the United States. According to the New York Times' report, Ryan Kramer, the son of a donor, found that he has more than 150 half-siblings - they
英语新闻
ATHENS, Sept. 25 (Xinhua) -- Greek indignant anti-austerity protesters returned to the streets of Athens, as the government categorically rejected media reports over the weekend regarding a Greek default in coming months. Some 3,000 demonstrators non
英语新闻
Topic1-Men's Health Day and sperm quality issue Today (October 28th) marks the 17th World's Men's Health Day, with this year's theme focusing on male infertility. The latest figures from the largest sperm bank in China show that only 19.4 percent of
英语角-圆桌会议