蛇通过变成黑色来吸收阳光_亚博app下载官网

In the southern United States, snakes can be vibrant and bright. In the North, they tend to be dark and drab. A dark coat may seem a bit depressing. It may, however, help northern snakes soak up heat from the sun more quickly than their southern kin, a teen finds. And a quick solar heating could prove an advantage in colder climes.在美国南部,那里的蛇需要收到响声,而且很颜色艳丽。

亚博app下载官网-科技资讯:未来的数据存储介质DNA

In the latest effort to contend with exploding quantities of digital data, researchers encoded an entire book into the genetic molecules of DNA, the basic building block of life, and then accurately read back the text. 研究人员将一整本书通过编码载入生命基本单元──DNA遗传分子中,然后再行准确无误地借此朗读这本书的文本。