From VOA Learning English, this is the Health Lifestyle report. Our brains are protected by our skull. But that is not the only protection it has. A natural barrier around our brains prevents germs and other damaging substances in the blood from ente

发表于:2018-12-08 / 阅读(67) / 评论(0) 分类 2018年VOA慢速英语(八)月

Chocolate Improves Memory and Heart Health 巧克力可以提高记忆力和心脏健康 From VOA Learning English, this is the Health Report. Can eating a chocolate bar every day really prevent age-related memory loss? No. Can eating chocolate cake

发表于:2018-12-08 / 阅读(87) / 评论(0) 分类 2014年VOA慢速英语(十二)月

Researchers say a study on the brain is shedding light on how humans process language. The research, conducted in San Diego, Boston and New York, is helping scientists understand an important part of the brain known as Broca's area. Denise Harris, 39

发表于:2019-01-13 / 阅读(45) / 评论(0) 分类 VOA标准英语2010年(一月)

Steroids Affect Brain Development in Premature Babies Premature babies routinely get powerful steroids both before and after they are born. The drugs help the babies' tiny lungs mature and boost blood pressure, among other benefits. Previous research

发表于:2019-01-14 / 阅读(44) / 评论(0) 分类 VOA标准英语2011年(十月)

The old expression bird brain, referring to a small or inadequate brain sizeits not all that accurate. Take crows, for example, and other corvids, like jays and magpies. Many corvids have relatively large brains for their body size, and can do amazin

发表于:2019-01-20 / 阅读(37) / 评论(0) 分类 2016年Scientific American(十一)月

Why Can't You Tickle YourselfHave you ever thought about why people are ticklish? According to scientists, ticklishness is a defense mechanism humans developed against bugs, spiders, and other critters that may be touching our skin. Feeling ticklish

发表于:2019-02-16 / 阅读(42) / 评论(0) 分类 英语听力广播—Listening