Authors (作者)

    Alexandru Micu: Author

    ZME Science author profile | e-mail: alex@zmescience.com

    Main focus: technology, biology

    Curiosity (好奇心) is what drives Alex forward-his interest in learning more about the planet being matched only by his ability to discuss things with a light heart. Alex tries to make others more interested in special science and technology. He does things in his own way.

    Dragos Mitrica: Author

    ZME Science author profile | e-mail: dragos@zmescience.com

    Main focus: wheather

    Dragos loves nature, and does everything he can to understand it. This interest led him to many unexpected places in his life, and now, he mainly studies and understands how ancient (古代的) weather changed, and what this means for the future.

    Henry Conrad: Author

    ZME Science author profile | e-mail: henrykconrad@gmail.com

    Main focus: technology

    Henry Conrad is a game developer from Albuquerque, New Mexico. Whenever he's not working or reading the latest tech news, he enjoys writing about the latest inventions and technology, which benefits (有益) him a lot. It helps him find rich writing materials (材料).

    Mihai Andrei: Editor-in-chief

    ZME Science author profile | e-mail: andrei@zmescience.com

    Main focus: geophysics, environment

    Andrei has put a lot of sweat and tears into ZME Science ever since he was a student. He is always looking for the most interesting subjects, presenting them in a way that everybody can understand. He believes that education is the key towards a better future and he tries to persuade people to become better persons of the planet. His background is in Geology and Geophysics, but now, he focuses more on environmental studies.

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    I was at a dinner in London given in honor of one of the most celebrated English military (军事的)men of his time. I do not want to tell you his real name and titles. I will just call him Lieutenant General Lord Arthur Scoresby.

    I cannot describe my excitement when I saw this great and famous man. There he sat, the man himself, in person, all covered with medals. I could not take my eyes off him. He seemed to show the true mark of greatness. His fame had no effect on him. The hundreds of eyes watching him, the admiration of so many people, did not seem to make any difference to him.

    Next to me sat a clergyman(牧师), who was an old friend of mine. He was not always a clergyman. During the first half of his life he was a teacher in the military school at Woolwich. There was a strange look in his eye as he turned to me and said in a low voice-"privately-he is a complete fool." He meant, of course, the hero of our dinner.

    This came as a shock to me. I looked hard at my friend. I could not have been more surprised if he had said the same thing about Napoleon, or Socrates, or Solomon. But I was sure of two things about the clergyman. He always spoke the truth. And, his judgment of men was good. Therefore, I wanted to find out more about our hero as soon as I could.

    Some days later I got a chance to talk with the clergyman, and he told me more.

    A new study suggests that people who drank a certain amount of alcohol（酒）had a lower risk of cancer and death than those who drank more or none during a nine-year period. And with each additional drink a week, the risk of cancer and death from any cause increased, the scientists reported.

    However, the study found only an association between alcohol and cancer and death, and did not prove cause and effect, the researches said. What sets the new study apart, said lead study author Andrew Kunzmann, is that previous studies looked at cancer and death separately. “What our study does is combine the two outcomes together and we find that lighter drinking is associated with the lowest risk of cancer or death,” Kunzmann said.

    But Kunzmann noted that the participants（参与者）were all older adults. That means that “we're not really showing what happens in younger people if they drink,” he said. Also, it's difficult to account for other lifestyles that could have affected the results. “These could also influence health. But the results did take into consideration differences in diet, smoking and education among participants,” Kunzmann noted.

    The researchers said that they hope their study sparks conversation about reducing the suggested alcohol intake in countries' guidelines. “We're not telling people what they can or can't do or what they can or can't drink,” Kunzmann said. “We're just trying to give them reliable evidence so that they can make their own informed, healthy decisions.”

    Newborns begin to develop language skills long before they begin speaking. And, compared to adults, they develop these skills more quickly. People have a hard time learning new languages as they grow older, but babies have the ability to learn any language easily.

    For a long time, scientists have tried to explain how such young children can learn the complicated (复杂的) grammatical rules and sounds of a language. Now, researchers are getting a better idea of what's happening in the brains of the tiniest language learners. This new information might help kids with learning problems as well as adults who want to learn new languages. It might even help scientists who are trying to design computers that can communicate like people do.

    Most babies go "ma ma" by 6 months of age, and most children speak in full sentences by age 3. For many years, scientists have wondered how the brains of young children figure out how to communicate using language. With help from new technologies, scientists are now finding that babies begin life with the ability to learn any language. They get into contact (接触) with other people, listen to what they say and watch their movements very closely. That is why they quickly master the languages they hear most often.

    Studies show that, up to about 6 months of age, babies can recognize all the sounds that make up all the languages in the world. Starting at around 6 months old a baby's brain focuses on the most common sounds it hears. Then, children begin responding only to the sounds of the language they hear the most.

    In a similar way older babies start recognizing the patterns that make up the rules of their native language. For example, English children who are about 18 months old start to figure out that words ending in "-ing" or "-ed" are usually verbs, and that verbs are action words.

    I had the meanest mother in the whole world. While other kids ate candy for breakfast, I had to have porridge, eggs or toast. When others had Coke and candy for lunch, I had to eat a sandwich. But at least I wasn't alone when I was sad. My sister and two brothers had the same mean mother as I did.

    My mother preferred to know where we were at all times. She had to know who our friends were and where we were going. We had to clean clothes and take a bath every day. The other kids got to wear the same clothes for days. We could not lie in bed "sick" in order to miss school.

    The worst is yet to come. We had to be in bed by nine each night and get up at eight the next morning. We couldn't sleep till noon like our friends. So while they slept, my mother was brave to break the Child Labour Laws. She made us work. We had to wash dishes, make beds, and learn to cook and all kinds of things at home. I believe she lay awake thinking up all things for us to do.

    My mother was a complete failure as a mother. Two of her children received higher education. None of us have ever been taken away by the police or divorced (离婚). She forced us to grow up into educated and honest adults. I am now trying to raise my three children this way. I am filled with pride when my children call me "mean". Why? Because now I thank God every day for giving me the meanest mother in the world.