If there was continental crust on Earth at the time, she said, prokaryotes might have had mineral sources of nutrients like phosphorus. A different approach to the hunt for Earth's early life suggests that oceanic hydrothermal vents may have hosted the first living things. In a paper published...
IsThereLifeonEarth?TherewasgreatexcitementontheplanetofVenus(金星) thisweek. ForthefirsttimeVenusianscientistsmanagedtolandasatelliteontheplanetEarth, andithasbeensendingbacksignalsaswellasphotographseversince.ThesatellitewasdirectedintoanareaknownasManhattan (namedafterthegreatVenusianastronomerProf. Manhattan, whofir...
Is There Life on Earth There was great excitement on the planet of Venus this week.For the first time Venusian scientists managed to land a satellite on the planet Earth,and it has been sending back signals as well as photographs ever since. The satellite was directed into an area known as...
Regardless of whether the first life on Earth was purple, it's clear that lavender life suits some organisms just fine, Schwieterman and DasSarma argue in their new paper. That means that alien life could be using the same strategy. And if alien life is using retinal pigments to capture ...
" A loud noise, the first thunder of spring, was like a huge horn, cutting through the silent sky.这声雷太响亮了，沉睡在地下的昆虫们被惊醒了。小虫子们揉了揉眼睛，纷纷从泥土里钻了出来。它们伸着懒腰，感受着春天温暖的气息。The thunder was so loud that the insects sleeping underground were ...
None of this had even a hope of any practical application in my life. But ten years later, when we were designing the first Macintosh computer, it all came back to me. And we designed it all into the Mac. It was the first computer with beautiful typography. If I had never dropped in...
IS THERE LIFE ON EARTHThere was great excitement on the planet of Venus(金星) this week. For the first time Venusian scientists managed to land a satellite on the planet Earth and it has been sending back signals as well as photographs eve
Lesson 26 The past life of the earth 第26课 地球上的昔日生命 First listen and then answer the following question. 听录音,然后回答以下问题。 What is the main condition for the preservation of the remains of any living creature? 什么是任何生灵遗迹保存的主要条件? It is animals and plants which...
阅读理解 IS THERE LIFE ON EARTH There was great excitement on the planet of Venus this week.For the first time Venusian scientists managed to land a satellite on the planet Earth, and it has been sending back signals as well as photographs ever since.
阅读理解 IS THERE LIFE ON EARTH There was great excitement on the planet of Venus this week.For the first time Venusian scientists managed to land a satellite on the planet Earth and it has