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BBC: How exercise in old age prevents the immune system from declining

Source: http://www.bbc.com/news/health-43308729  http://cafebiz.vn/vi-giao-su-82-tuoi-nay-van-so-huu-mot-he-mien-dich-o-tuoi-20-bi-quyet-cua-ong-la-gi-2018031313283768.chn Doing lots of exercise in older age can prevent the immune system from declining and protect people against infections, scientists say. They followed 125 long-distance cyclists, some now in their 80s, and found they had the immune systems of 20-year-olds.Prof Norman Lazarus, 82, of King's College London, who took part in and co-authored the research, said: "If exercise was a pill, everyone would be taking it. "It has wide-ranging benefits for the body, the mind, for our muscles and our immune system." The research was published in the journal Aging Cell. Prof Janet Lord, director of the Institute of Inflammation and Ageing , at the University of Birmingham, and co-author of the research, said: "The immune system declines by about 2-3% a year from our 20s, which is why older peop...
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Yuval Noah Harari extract: ‘Humans are a post-truth species’

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Source: https://www.theguardian.com/culture/2018/aug/05/yuval-noah-harari-extract-fake-news-sapiens-homo-deus W e are repeatedly told these days that we are living in a new and frightening era of “post-truth”, and that lies and fictions are all around us. Examples are not hard to come by. Thus, in late February 2014, Russian special units bearing no army insignia invaded Ukraine and occupied key installations in Crimea. The Russian government and President Vladimir Putin in person repeatedly denied that these were Russian troops, and described them as spontaneous “self-defence groups” that may have acquired Russian-looking equipment from local shops. As they voiced this rather preposterous claim, Putin and his aides knew perfectly well that they were lying. Russian nationalists can excuse this lie by arguing that it served a higher truth. Russia was engaged in a just war, and if it is OK to kill for a just cause, surely it is also OK to lie? The higher...
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Tất tần tật về IELTS

nguồn:  https://www.facebook.com/groups/681834435251567/permalink/1171529552948717/ http://language-sport.com/vi/blogs/cac-ky-thi-tieng-anh-cua-truong-dai-hoc-cambridge-ky-thi-cambridge-b116.html Nói thật là e thấy nhiều người hoang mang về IELTS quá, các con thì chả lo mà bố mẹ cứ sốt sắng hết cả lên nên e muốn viết bài này để mọi người có cái nhìn đa chiều hơn ạ. Bài hơi dài, mong mọi ng đủ kiên nhẫn đọc hết ạ. 1. Định nghĩa Theo Wiki, IELTS /ˈaɪ.ɛlts/ (International English Language Testing System) là một hệ thống bài kiểm tra về khả năng sử dụng thành thạo tiếng Anh trải dài qua cả bốn kĩ năng Nghe, Nói, Đọc, Viết. Bài thi được đồng điều hành bởi ba tổ chức ESOL của Đại học Cambridge (University of Cambridge ESOL), Hội đồng Anh (British Council) và tổ chức giáo dục IDP của Úc và được triển khai từ năm 1989. Người thi có thể lựa chọn giữa hai hình thức: Academic (học thuật) hoặc General training module (đào tạo chung): Academic Training: Loại hình học thuật dàn...
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