6. Damaged sperm

损伤精子

Heat from laptops may damage sperm, according to some research. Notably, in one study published in the journal Fertility and Sterility, researchers found that storing sperm samples under a laptop decreased their motility, or ability to move, and led to more DNA damage -- both factors that could hurt the chances of reproduction -- than samples stored normally.

一些研究表明，笔记本电脑产生的热量可能会损害到精子。值得注意的是其中一项刊登在《生育与不育》杂志上的研究，研究者们发现，相对正常储存的精子样本来说，在笔记本环境下储存的精子样本能动性（或者说活动能力）降低了，并且导致更多的DNA被破坏了。这两种因素都能影响生殖几率。

7. Pedestrian safety

行人安全

Pedestrian fatalities are on the rise because too many smartphone users engage in distracted walking. While focused on the cyber world, many of us can lose reality of the physical one: Researchers say distracted walkers take more time to cross the street and are more likely to neglect traffic lights while less likely to look both ways. Elemental pedestrian safety knowledge is compromised by technology, and the risks are scary. To avoid injury or worse, put your phone away until you've reached a safe spot.

行人死亡人数持续上升，因为太多的手机用户走路的时候还在看手机。专注于网络世界的我们会遗忘这个有形世界的现实：研究者说分心的行人要花更长的时间来过马路，同时更容易忽视红绿灯并且不会去看路的两边。基本的行人安全知识在科技面前都没用，风险太可怕了。为了避免受伤或是更坏的结果，直到抵达安全的地方之前，请把你手机放在口袋里。

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