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Sometimes it is hard to see the light, especially it lies in the invisible spectrum, like ultrared, ultraviolet radiation. But if you long to see the unseeable, you might interested to hear that under certain conditions people can catch a glimpse of
A nightlight may keep those monsters under the bed. But it may also open the door to the blues. Because a new study reveals that animals exposed to light all night long show signs of clinical depression. If you have access to electricity, you no doub
E 电泳 electrophoresis Ellis - van Creveld syndrome 酶 enzyme 外显子 exon F 家族性地中海热 familial Mediterranean fever 荧光原位杂交 fluorescence in situ hybridization (FISH) 脆性
DAVID GREENE, HOST: I mean, let's listen to this. (SOUNDBITE OF TV SHOW, STAR TREK: THE ORIGINAL SERIES) JAMES DOOHAN: (As Captain Montgomery Scott) Ready to transport. WILLIAM SHATNER: (As Captain James T. Kirk) Energize. D. GREENE: Yes, the familia
But this still doesn't explain why light is able to pass through glass rather than being absorbed as with most solids. 但是这还是不能解释为什么光可以穿透玻璃而不是像其他大多固体那样被吸收。 For that, we need to go a
TOKYO, March 11 (Xinhua) -- Japan and the United States on Monday held their first meeting of the Comprehensive Dialogue on Space and agreed to cooperate in monitoring ships from space, local media report. In a joint statement after the meeting, the