like an eye. So, people call it the “Eye of Earth”. The water of the spring has special chemicals (化学...泉) in Qinghai. Looking from above, it looks like an eye. So, people call it the “Eye of Earth”. The water ……

how healthy the leaves are. This helps us keep a close eye on Earth’s health. These satellites... are. This helps us keep a close eye on Earth’s health. These satellites are welcomed by many ……

is this affecting (影响) Earth?It doesn’t just mean that to the human eye, the silver moon has become smaller... “What would it be like on Earth without the moon?” A recent BBC article explores this question.The moon ……

Dolphins sleep with one eye open! ……

Dolphins sleep with one eye open! ……

Dolphins sleep with one eye open! ……

). It can see faraway (遥远的) stars in space. It is China’s “Sky Eye” (天眼). ... pulsars (脉冲星).u People call pulsars the “GPS of space”. On Earth, you use GPS to find ……

.· It is one of the few short-period comets visible to the naked eye from Earth.· It is one of the few short-period comets visible to the naked eye from Earth.When will we see it again?When will we ……

, is heading for collision with Earth in 2012. The film includes "scientific evidence from NASA" , the US... in 2012, NASA said on November 9. It added that rumors about the end of the Earth were false ……

, plants give off what is called fluorescence (荧光). We can’t see it with the naked eye (裸眼... Earth to make a map of this phenomenon (现象).Plants give off light during photosynthesis (光合作用) that we ……

6National Eye Care Day EYES are the windows to the soul (灵魂). June 6 is National Eye Care Day. Here are some tips for good eye health:Eat foods that are good for your eyes.Carrots, liver (肝脏 ……

体), speeding through space. When they entered Earth's atmosphere, friction with air molecules (分子) caused... a lot of streaks appear in the sky, it is called a meteor shower.At this time every year, Earth passes ……

6Eye Care DayOUR eyes let us see the beauty of the world. June 6 is National Eye Care Day. Here are some ideas for good eye health.Eat foods that are good for your eyes, such as carrots, liver (肝脏 ……

最长寿脊椎动物On Aug 11, UK’s Science journal revealed that the Greenland shark is the longest-living vertebrate on earth, with a lifespan of over 400 years. By studying the 28 female Greenland sharks’ eye ……

, the world’s biggest radio telescope started working in Guizhou, China. It is like the ear of Earth, helping... of 30 soccer fields. People call it the “Big eye on the universe”. It took more than five years ……