Congress first dealt with issues of safety and health in the workplace in 1890, when legislation was passed for safety standards in coal mines. Over the next several decades, more complicated machinery and new chemicals entered the workplace yearly,...
Give me your tired, your poor...your huddled masses yearning to breathe free... 挤在一起渴望自由呼吸的大众，那熙熙攘攘的被遗弃了的，可怜的人们。把这些无家可归的，饱受颠沛的人们一起交给我... These w...
During the first 30 years of the 20th century, America became a safer and healthier place. Living conditions improved, causing many diseases to almost disappear. One exception to this pattern was cancer, and in 1937 Congress established the National...
By the early 1950s, it was becoming apparent that a growing number of elderly Americans had no economic protection from the increasing cost of health care. Most people over 65 had very low incomes and few owned private health insurance of any kind. 早...
The Freedom of Information movement began in earnest in the 1950s. After WWII, the extent of government secrecy was questioned by the American Society of Newspaper Editors. 真正意义上的信息自由运动始于20世纪50年代。二战后，政府...
You notice your tears most after a good cry or while slicing an onion, but actually your eyes are constantly moistened by a thin film of tears. 切洋葱或者痛哭之后你会注意到自己流泪了，但事实上，泪薄膜使你的眼睛常常保...
If I told you there was a large mass of fungus infecting the roots of that lovely pine tree which shades your front lawn, would you be worried? Would you buy a strong fungicide if I said that this fungus survived by sucking valuable sugars, vitamins,...
Don: Is it true that certain colors affect how we think and behave, or how we perform at work? 唐：某种特定的颜色会影响我们的思维、行为或者在工作中的表现，这是真的吗？ Yael: Great question. And in fact, psychologis...
The debate over gun control in America has been ongoing and intense for many years with proponents seeking to reduce gunrelated injuries and curtail criminal activity, and opponents sighting secondamendment rights and the need to defend themselves. D...
The first time Congress dealt with any issue pertaining to unclean air was in 1955. Prior to that, states had passed their own legislation dealing with the problems of impure air most of it excess smoke from burning fields and clearing forests. But a...
Dementia is a scary word. So is senile. Both words conjure up images of being helpless in old age, of losing your memories. Of losing yourself. And the worst thing about losing your mind is that once it's gone, it's gone. You're never the same. Excep...
The average life expectancy for Americans was 35 years when the country was founded, and has been rising steadily since then. As the workforce grew older, many Americans worked well into their 50s and 60s, usually retiring at age 65. 建国初期，美...
Don: Hey Yael, did you know that people with red hair need more anesthesia during surgery than other people? 唐：嘿，雅艾尔，你知道吗，红发的人在做手术时需要注射比别人更多的麻醉剂？ Yael: Oh, c'mon Don, that's just...
Bilingual Education, a work in progressToday on Congressional Moment. By the time the 13 British colonies declared their independence, over two million people had immigrated across the ocean from Europe. Many were British, but many more were from oth...
What would you say is the deadliest animal on earththe most dangerous, brutal, destructive? The wolf? The tiger? The great white shark? Nope. The best answer is the species known as Homo sapienshuman beings. 你认为世界上最致命的物种是什么...
