Friday , June 18 2021


free and fast exam to test

This Saturday, November 14, marks World Diabetes Day. In France, 3.7 million people are being treated for this disease. At this time of the coronavirus epidemic, vigilance is stronger than ever because …

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Space ports designed like cities

Within a few decades, space and suborbital tourism will attract billions of dollars in traffic. Space stations, stays on the Moon, travels around Mars will be all destinations that need ground infrastructure …

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