科学家在火星上发现的不同寻常的岩石中包含了这颗红色行星上可能曾有生命存在过的证据。这些岩石是由美国国家航空航天局的 “毅力” 号火星车在一处布满灰尘的河床上发现的，岩石上有引人注目的纹路。科学家们认为这些纹路可能含有一些矿物质，产生这些矿物质的化学反应或与远古火星微生物有关。
No need to throw a label printer away when the printhead stops working. The new Munbyn 405B is the first label printer with a ...
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Uttarakhand Chief Minister Pushkar Singh Dhami said on Wednesday that he is ready even to lay down his life for the youth if required. Speaking to reporters after a programme here, Mr Dhami said some ...
Uttarakhand Chief Minister Pushkar Singh Dhami on Monday met the youths protesting at the Parade Ground here against the alleged paper leak in a graduate level examination last week and assured them ...
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