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How Human Migration Works
science.howstuffworks.com/life/evolution/human-migration.htm
Human migration is the idea that humans developed in Africa and then spread to Europe and Asia. Learn about human migration and how human migration works.
20 Most Obese Countries in the World
health.howstuffworks.com/wellness/diet-fitness/weight-loss/most-obese-countries.htm
For at least the last half century, obesity has been one the rise around the world, contributing to what many officials consider a public health crisis. While there remains some controversy about how to accurately quantify the risks, the worldwide obesity rate continues to climb, and with it, a host of health problems.
15 Largest Cities in Texas, Ranked by Population
people.howstuffworks.com/largest-cities-in-texas.htm
Everything's bigger in Texas, and that includes its sprawling urban centers. Known for its cowboy culture, barbecue and booming energy industry, the Lone Star State is home to some of the largest and fastest-growing cities in the U.S. Whether you're a fan of history, art or nightlife, the largest cities in Texas offer something for everyone.
All About the Vaquita, the Most Endangered Marine Mammal
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The vaquita is the most endangered marine mammal in the world. Abundance estimates place the total vaquita population at about 10 individuals.
7 of the 10 Largest Cities in Europe Are Capitals
people.howstuffworks.com/largest-cities-in-europe.htm
Although many major European cities are considered iconic, none of them break into the top 10 most populous cities in the world. The cities with the highest populations are spread through Asia, North America and Africa; the largest cities in Europe simply can't compete with those numbers.
15 Largest Cities in Montana, Ranked by Population
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Montana, known as Big Sky Country, is a state of stunning natural beauty, mountain ranges and a growing population. The largest cities in Montana are characterized by a mix of historic charm and modern development, serving as gateways to outdoor adventures and economic hubs for their regions.
15 Largest Cities in Ohio, Ranked by Population
people.howstuffworks.com/largest-cities-in-ohio.htm
Ohio, known as the Buckeye State, is located in the Midwest of the United States. The state is known for its rich history and vibrant culture scene. With a diverse population of about 11.9 million spread across its major cities, Ohio is the seventh-most populous state in America. According to the United States Census Bureau, its median household income is $58,000.
15 Largest Cities in Illinois, Ranked by Population
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Illinois, the Prairie State, is known for its towering skyscrapers, charming small towns and diverse neighborhoods. According to Census population data, the Illinois population is the fifth-largest in the United States.
What Is the Smallest State in the USA? Looking at Area and Population
science.howstuffworks.com/environmental/earth/geophysics/smallest-state-in-usa.htm
The smallest state in the U.S.A. isn't the same as the state with the lowest population. In fact, the five smallest by each measure are completely different.
Indian Python Population Threats and Conservation Efforts
animals.howstuffworks.com/snakes/indian-python.htm
The Indian python was once considered a subspecies of the Burmese python. Now that the former is recognized as its own distinct species, it faces endangerment.