单词:male sterilant
单词:male sterilant 相关文章
In all societies, male and female roles are regarded differently. The mother role is universally carried out by women, which is biologically based. Roles defined by sex also characterize the economic
Broadcast: Jan 11,2003 Walk into the lobby of Box Butte General, and the first thing you see is a life-sized cardboard display featuring the medical facility's four male nurses and information brochur
Reducing HIV Risk with Painless Male Circumcision Studies have shown that male circumcision greatly reduces the risk of HIV transmission. The World Health Organization is weighing approval of a new device that could make the procedure simple and pain
Sex And Violence Did you ever stopped to wonder why sex and violence so often go hand in hand? How come nobody complains about violence and gardening, say, or sex and bowling? There may be a biological basis for this, as we can see when we look at ot
by Jerilyn Watson Broadcast: August 28, 2003 This is Steve Ember with the VOA Special English Education Report. The National Education Association says the United States needs more male teachers. The
By Anjana Pasricha New Delhi 09 September 2007 Bollywood actor Shah Rukh Khan is seen lying in a bathtub filled with pink and red rose petals in a first-ever promotional campaign for Lux beauty soap India's beauty and grooming industry is targeting a
When I was 14, I hoped that one day I would have a girlfriend. When I was 16 I got a girlfriend, but there was no passion. So I decided I needed a passionate girl with a zest (热情)for life. In college I dated a passionate girl, but she was too
Thursday, March 17, is Saint Patrick's Day, a time when native-born Irish and Irish-Americans will parade and pipe their way up Manhattan's famed Fifth Avenue. The 2011 event, which is expected to include well over 150,000 thousand marchers, will be
Wolf Spider Mating Choices Well, you know what they say. A woman will marry the man who reminds her of her father, and a man will marry a woman who reminds him of his mother. Well were hardly the only animals to choose mates based on our early social
Frozen Smoke 固体烟 Male: What's as light as smoke but strong as a brick? Female: I'm gonna take a while guess and say... aerogel ? Male: Sorry,yaoyao,the answer is... Wait a second! Did you say aerogel ? How did you know? F:Yeap! Did you know tha
One thing we're proud of here at A Moment of Science is that there isn't a lot of sex and violence on our program. Although, did you ever stop to wonder why sex and violence so often go hand in hand? How come nobody complains about violence and garde
Don: All right, Yael, you're a moth. And mating for you is a big deal because it takes eight or nine hours. So the last thing you want is for some predator to interrupt you and your mate in the act. Yael: I'm guessing that's true not just for moths.
NEW YORK, Jan. 3 (Xinhua) -- Miami Heat's LeBron James had been named the 2012 USA Basketball Male Athlete of the Year after a successful year with one Olympic gold medal and the 2012 NBA championship, the US basketball governing body announced the a
绅士的蝴蝶 One thinks of nature as red in tooth and claw, as the old saying goes. Species compete with each other for resources, and members of the same species compete with each other for mates. Theres a lot of scratch ing and biting going on.
Flutter Battle 你喜欢蝴蝶吗?你了解蝴蝶吗?有的人认为蝴蝶是非常绅士的物种,让我们一起去了解真实的情况吧。 'Flutter Battle' on today's A Moment Of Science. One thinks of nature as red in tooth and claw, as
Pre-Listening Vocabulary technically speaking: according to the rules or conventions neutral: (gender) neither male nor female strut: to walk around proudly plumage: feathers pigment: the natural colouring in plants or animals delicacy: an expensive
Gender-Jumping Toads 美国研究人员说,常用除草剂阿特拉津会令雄蛙变性为雌蛙。美国加利福尼亚大学伯克利分校研究人员把40只雄性非洲爪蛙放入阿特拉津浓度为10亿分之2.5的水中,发现90%雌性化
Prostate and Soy 吃大豆有什么好处?大豆对男性的好处主要体现在保护前列腺上。撒且尔教授指出,研究显示,每天喝一杯豆奶,男性得前列腺癌的风险能降低30%;喝两杯,则能把风险降低70%。跟
Fatherless Honeybee s How male honeybee s can be without fathers? The reason lies in whats called a haploidiploid system of sex determination. Approximate ly one-fifth of the animal kingdom, including ants and wasp s , use this system. What it boils