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How Green Pavement Works
science.howstuffworks.com/environmental/green-science/green-pavement.htm
Green pavement is porous, meaning that it permits water to seep through to the ground. Learn why green pavement is good for the environment.
This Cattle Breed Identification Quiz Is Really Hard, So We'll Be Impressed If You Even Get Four Right
Most people don't give cattle a second thought, so long as they have access to milk and hamburgers. But if you fancy yourself a real cowboy or cowgirl, maybe a cowperson, then let's see how many you can identify! No bull, just a quiz!
The Ring of Fire Is the Pacific's Volcanic Hotspot
science.howstuffworks.com/environmental/earth/geology/ring-of-fire.htm
Explore the Pacific Ring of Fire, a 24,900-mile zone with 75% of Earth's volcanoes and 90% of its earthquakes, shaped by dynamic tectonic activity.
Meet Florence Kelley: Labor Reformer, Abolitionist and Co-founder of the NAACP
history.howstuffworks.com/historical-figures/florence-kelley.htm
Grateful that U.S. law ensures decent working conditions and children go to school instead of working in mines? Thank Florence Kelley and her father.
9 Surprising Facts About Mexican Revolutionary Pancho Villa
history.howstuffworks.com/historical-figures/pancho-villa.htm
Assassinated at the age of 45, Francisco 'Pancho' Villa was a bandit, a politician and one of the most prominent figures of the Mexican Revolution.
How the Autobahn Works
auto.howstuffworks.com/autobahn.htm
The autobahn has a reputation for high-speed freedom, but it's not as wild as you may think. Read about the autobahn at HowStuffWorks.
10 of the Biggest IPOs in History
money.howstuffworks.com/10-biggest-ipos.htm
Ten of the biggest IPOs are explained in this article. Learn about 10 of the biggest IPOs.
Why Do People Eat Dirt?
people.howstuffworks.com/culture-traditions/cultural-traditions/why-do-people-eat-dirt.htm
Geophagy is the worldwide phenomenon of people eating dirt. HowStuffWorks takes a look at this counterintuitive practice and why people do it.
The Richest Countries in Africa, Based on GDP
money.howstuffworks.com/richest-countries-in-africa.htm
Western nations often think of the entire African continent as poor, thanks, in large part, to the legacies of the transatlantic slave trade and European colonialism. The truth is, many African countries were wealthy before colonization.
World's Largest Wolves by Weight: The Mighty and the At-Risk
animals.howstuffworks.com/mammals/largest-wolves.htm
The world's largest wolves weigh up to 175 pounds (79.4 kilograms) and measure up to 6 feet (1.8 meters) in length.