Potomac River drainage basin
Reddit user: galileo23
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NYC Subway: Map vs. Geographic Distances
New York City’s subway map is a masterpiece of design, but how accurately does it represent the city’s true geography? Dive into the intriguing world of transit cartography and uncover the realities hidden beneath this iconic representation of urban navigation.
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Number of Guns per 100 inhabitants in Europe
Switzerland (45.7) and Finland (45.3) have the highest number of guns per 100 inhabitants.
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Syria in darkness and light
Syria’s electricity infrastructure has been destroyed by six years of war. Images from NASA show precisely how the lights have gone out during the course of the war, leaving people to survive with little to no power.
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Number of Drones in the United States per county
A total number of registered hobby drones. Source: learningrc.com A number of registered hobby drones per 10,000 residents. Source: learningrc.com
Read more: Number of Drones in the United States per countyPopulation density change by country (2000 – 2016)
Percent population density change Population density change by absolute numbers Source: www.vividmaps.com Related posts: – Countries by population density (2000
Read more: Population density change by country (2000 – 2016)
A Breathing Earth
The data comes from NOAA STAR, the center for satellite applications and research, who use the VIIRS (Visible Infrared Imager
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The History of the Underground
Source: citylines.co
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Dominant Y-DNA haplogroups in Europe and the Middle East
The genetic history of Europe since the Upper Paleolithic is inseparable from that of broader Western Eurasia. By about fifty thousand years ago, a basal West Eurasian lineage had appeared out of the undifferentiated “non-African” ancestors of seventy thousand years.
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World map of Y-DNA Haplogroups
Y-DNA haplogroups provide a fascinating glimpse into the ancient migrations of human populations and their spread across the world. These haplogroups are determined by variations in the Y chromosome, which is passed down from fathers to their sons. By analyzing these genetic markers, scientists can trace the ancestral lineages of different populations and understand how they dispersed over millennia.
Read more: World map of Y-DNA Haplogroups