有些美国人干一行、怨一行，讨厌自己的工作，也有更多的人对他们的职业还算满意，然而却不愿意实话直说。这样一来他们都会使用一些带有贬意的俚语来描述自己的工作。我们今天要讲的...
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Well, here I am on my exercise bike, anticipating the excesses of the holidays. All those cookies and candies and maybe a glass or two of eggnog. At the...
This is Scientific American's 60-Second Science, I am Cynthia Graber. This'll just take a minute. For women who are rather well-endowed, working out can sometimes be, well, a bit of a pain. Finding a good sports bra is key, now new research on breast...
This is the VOA Special English Health Report. Two new studies suggest that modern running shoes could increase the risk of injuries to runners. One study involved sixty-eight healthy young women and men who ran at least twenty-four kilometers a week...
