Believe it or not, driving can lower your IQ. In a recent study of about 500,000 people between ages 37 and 73, researchers found a noticeable drop-off in brainpower, intelligence and memory. Among the people are those who drove for more than two hours each day. The study also found that the more time people spent watching TV or driving, the  their test scores. It is because such activity fails to either the body or the brain. If you must drive long

to work, consider adding a mentally active activity on the road, such as listening to language lessons.

    Goldfish have pretty boring lives, so maybe it's good thing they can only concentrate for nice seconds! But according to new research, humans are becoming like goldfish. Our attention span (时长) is getting shorter ... and it's all because of

    "We move quickly from one site to another on the web," says Doctor Ted Selker, a computer scientist from Massachusetts," and we are losing the ability to concentrate." With millions of websites to choose from, the attention span of the internet user is just seconds. There are other digital distractions (分心) too: email, instant messaging and quickie movies on websites. Some people are worried about the effect on young people. "You need time to understand and what you read." says Julia Wood, from London. "Young people search the net all the time and their brains become full of useless information but there is no time to make sense of it. I am trying to my pupils to read more books, so that they concentrate on one subject for longer."