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I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea
There is a special day to recognize the importance of the ozone layer. In 1995, the United Nations General Assembly decided September 16th is the International Day for the Preservation of the Ozone Layer. This is the date on which countries signed th
I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea
美国一家公司日前开通月球邮政包裹递送业务,仅需460美元,人们有机会把对自己来说有纪念意义的物品寄到月球上.此项业务旨在为一个私人探月车发射计划进行筹款. 给月球上寄点啥好呢 AP:
过去,曾有许多飞机和船只驶入百慕大三角地区后便神秘失踪,原因众说纷纭未有定论。最近,有科学家提出新理论,认为该区上空形成六边形的怪云,是令飞机和船只失事失踪的元凶。 Res