3. 地球生命可能源于陨石
A study spanning research from astrophysics to chemistry and geology has given more weight to the hypothesis that the very first ingredients for life on our planet travelled here through space. The team says that as space rocks splashed into warm, slushy ponds on the surface of Earth, molecules arranged in just the right way to produce RNA polymers.
一项囊括天体物理学、化学、地质学的新研究进一步证实了一个假想,那就是地球生命的第一份原料可能来自太空。研究团队解释说,当陨石撞击温暖湿润的地表海洋时,分子以某种特殊形式进行排列,刚好能够制造RNA聚合物。
4. 火星会下雪
In August, planetary scientists revealed something bizarre about Mars's weather patterns - turns out that during the night, there are severely intense snowstorms happening on the planet, basically pelting it with tiny chunks of ice. Given how little water there is, we sure didn't expect that.
今年8月,行星科学家揭示了火星的一个奇特的天气模式,那就是火星晚上会有严重的暴雪现象——天上会砸下许多干冰小颗粒。考虑到火星上的水资源那么少,你肯定没想到火星上还会下雪。
5. 百年老药竟对自闭症有奇效
For the first time ever, a medication that's normally used for treating sleeping sickness was tried in a pilot study on a group of boys with autism spectrum disorder (ASD). The results were absolutely astonishing - after just a single dose, their ASD symptoms significantly improved.
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