研究表明,在晚上给老鼠给光照,老鼠会变得不那么活泼,而且会发胖。 Light at night increases mice's body mass, apparently by shifting food intake to times when the animals are less active. Karen Hopkin reportsYouve tried

发表于:2018-12-07 / 阅读(114) / 评论(0) 分类 60秒科学

By Crystal Park Washington, D.C. 31 July 2006 watch report on Obesity Childhood obesity is growing steadily in the United States and around the world. New research findings have given doctors new clues to fighting the trend. Jim Bertel narrates. The

发表于:2018-12-08 / 阅读(139) / 评论(0) 分类 2006年VOA标准英语(七月)

Two bowls of food were placed in front of overweight dogs, one with a more appealing meal and the other empty or containing food they did not like as much. 两碗食物摆在超重的狗狗面前,其中一碗里盛着诱人的食物,而另一碗里

发表于:2018-12-08 / 阅读(53) / 评论(0) 分类 VOA标准英语2018年(七月)

Fish oil supplements are a popular way to increase the intake of omega-3 fatty acids, which are thought to have a wide range of beneficial effects, particularly for cardiovascular health. But are they effective in preventing cancer? A new study sugge

发表于:2018-12-19 / 阅读(89) / 评论(0) 分类 VOA双语新闻 2010年7月

Volunteers in scientific studies sometimes get compensated. The payment can be cash, a gift card or something almost worthless: Its amazing what people will do for a lollipop, when they've had a few drinks. Simon Moore is a professor of public health

发表于:2018-12-24 / 阅读(88) / 评论(0) 分类 2016年Scientific American(九)月

Your nose may be the first place you think of as a source of mucus. But mucus is a major player in your gut, too. There's antimicrobial peptides and proteins that are present in there. Bacteria live in there and forage on the carbohydrates. And it's

发表于:2018-12-24 / 阅读(71) / 评论(0) 分类 2016年Scientific American(十一)月

Unit 35 Weight Loss Myths Dieting and weight loss is a subject filled with myths, half-truths and inaccuracies. Here are some of the more common fallacies about losing weight. Myth 1. Being Overweight is Unhealthy: Being overweight may be unfashionab

发表于:2018-12-30 / 阅读(50) / 评论(0) 分类 英语流行话题阅读:语境识词4500

The Mathematics Of Middle-Age Spread Lets say youre an 18 year old male who runs every other day, logging 12 miles a week. Now fast-forward to your late 40s. Your eating habits are the same. To maintain your high school weight, how many miles a week

发表于:2018-12-31 / 阅读(48) / 评论(0) 分类 英语听力文摘 English Digest

An Australian legislator has called for a sharp reduction in the number of immigrants allowed in the country, along with more rigorous background checks on new settlers. The intent is to determine whether immigrants from Africa or the Middle East ha

发表于:2019-01-07 / 阅读(72) / 评论(0) 分类 VOA标准英语2009年(八月)

By Melinda Smith Washington 18 July 2007 We are going to find out about two studies on breast cancer. One studied whether a diet very high in fiber and low in fat could reduce the risk of recurring breast cancer. Another study focused on women with a

发表于:2019-01-12 / 阅读(124) / 评论(0) 分类 2007年VOA标准英语(七月)

By Phil Mercer Sydney 19 May 2008 Australia will increase its annual migration intake to 300,000 people a year - the biggest rise since the end of World War II. The increase in the annual quota is intended to address the country's chronic skills shor

发表于:2019-01-13 / 阅读(73) / 评论(0) 分类 VOA标准英语2008年(五月)

Airbus announced Tuesday it had secured orders for 16 new A321 planes from Vietnam Airlines and another five A320 craft from budget Cebu Pacific airlines of the Philippines. The day before, Airbus said that Qatar Airways had also ordered A320 aircra

发表于:2019-01-13 / 阅读(78) / 评论(0) 分类 VOA标准英语2009年(六月)

Dietary Changes May Ease Climate Change Some scientists are advising a dietary approach to climate change. They say eating less meat can mitigate the effects of rising temperatures. However, the recommendation is being made at a time when meat consum

发表于:2019-01-13 / 阅读(268) / 评论(0) 分类 VOA标准英语2012年(六月)

In a bid to protect Australian jobs, the number of skilled migrants allowed into the country is being cut. It is the first time in a decade that the intake has been reduced. The decision to cut the number of immigrants comes as pressure mounts on th

发表于:2019-01-13 / 阅读(88) / 评论(0) 分类 VOA标准英语2009年(三月)

As Border Crossings Tick Up, Migrants Bring Children, Take More Dangerous Routes AUDIE CORNISH, HOST: The number of immigrants illegally crossing the southern border plummeted when Donald Trump took office, but the number is again on the rise. In res

发表于:2019-01-16 / 阅读(50) / 评论(0) 分类 2018年NPR美国国家公共电台4月

By Melinda Smith Washington, DC 15 February 2008 Obesity is becoming a worldwide problem, even in developing countries. But diet drinks and food prepared with sugar substitutes do not seem to help curb people's appetites. Now a new study may provide

发表于:2019-01-19 / 阅读(86) / 评论(0) 分类 VOA常速英语2008年(二月)

By Brian Padden Paris 21 June 2007 The airline industry has long sought to develop new technology to offset the rising cost of fuel, but the industry also has looked to make flying more energy efficient. This year at the Paris Air Show many companies

发表于:2019-01-30 / 阅读(89) / 评论(0) 分类 2007年VOA标准英语(六月)

By David McAlary Washington 17 October 2006 Two new U.S. studies say the nutritional benefits of eating fish outweigh the potential hazards from environmental contaminants. Some environmental and consumer groups dispute the finding. ---- You may hav

发表于:2019-01-31 / 阅读(110) / 评论(0) 分类 2006年VOA标准英语(十月)

By Crystal Park Washington, DC 07 June 2006 watch FDA Obesity report A new report released by theU.S. Food and Drug Administration, the F.D.A., says restaurants should be doing more to help Americans

发表于:2019-02-04 / 阅读(142) / 评论(0) 分类 2006年VOA标准英语(六月)

By Phil Mercer Sydney 17 January 2007 Councilors in Australia's most famous musical city have reversed a controversial decision to reject refugees from Sudan. Authorities in Tamworth, 600 kilometers northwest of Sydney, had earlier said African migra

发表于:2019-02-04 / 阅读(95) / 评论(0) 分类 2007年VOA标准英语(一月)