3．Smoking 抽烟Since 1939, numerous studies have been conducted to determine whether smoking is a health hazard. The trend of the evidence has been consi...
4．Engineering ethics 工程道德Engineering ethics is attracting increasing interest in engineering universities throughout the nation．At Texas A＆M Universit...
5．Rescue platform 救生平台In the aftermath of the terrorist attacks on the World Trade Center, security experts are trying to develop new ways of rescuing...
6．Micro-chip research center created 微-芯片研究中心成立A research center has been set up in this far-east country to develop advanced micro-chip production te...
7．The Cold Places 寒冷的地带The Arctic is a polar region. It surrounds the North Pole.Like Antarctica, the Arctic is a land of ice and snow. Antarctica hol...
8．Easy Learning 容易的学习Students should be jealous. Not only do babies get to doze their days away, but they've also mastered the fine art of learnin...
9．Dangers await babies with altitude 高海拔的婴儿有危险Women who live in the world's highest communities tend to give birth to under-weight babies, a new s...
10．Inhalable Water Droplets 可吸入水滴You think that the biggest threat to your health when taking a shower comes from slipping on a bar of soap? Well, gue...
11．Fermi Problem 费米问题On a Monday morning in July, the world/'s first atom bomb exploded in New Mexico desert. Forty seconds later, the shock waves...
12．Tanning parlors take heat 人工日照美容院吸收热量People who seek a glamorous tan through sun lamps may double their risk of developing common types of skin can...