According to the United Nations, as of 2018, 55 percent of the world’s population lives in cities. For a good sense of just how dense different population hubs are, here’s a comparison of dozens of ...
Russia holds a sizable advantage over Ukraine on troop numbers and weaponry yet the two sides have fought to a standstill. Russia this spring has ramped up attacks on civilian targets while resisting ...
The YouTube channel Kurzgesagt has teamed up with “Writer, infant,” Tim Urban for a video comparing the size of the largest stars ever detected. This short tour of the increasingly huge stars not only ...
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