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Things Are Looking Up for the Adorable American Pika
animals.howstuffworks.com/mammals/things-looking-up-american-pika.htm
Climate change will affect the habitat of the American pika, but not only in negative ways. Learn more in this HowStuffWorks Now article.
15 Largest Cities in Africa, Ranked by Population
people.howstuffworks.com/largest-cities-in-africa.htm
Africa, a continent of immense diversity, history and rapid urbanization, is home to some of the fastest-growing cities in the world. Its largest urban centers are economic and cultural powerhouses, showcasing a blend of traditional heritage and modern development. The largest cities in Africa reflect the continent's vibrancy and its pivotal role on the global stage.
15 Largest Cities in North America, Ranked by Population
people.howstuffworks.com/largest-cities-in-north-america.htm
The most populous country in North America (the United States) is also home to some of the largest cities in North America, but the No. 1 spot goes to Mexico City.
What Is Freon and How Does It Work?
home.howstuffworks.com/home-improvement/heating-and-cooling/what-is-air-conditioner-freon.htm
Freon AC is a colorless gas that absorbs heat and humidity. But it's being phased out in the United States, so what does your AC unit use to keep cool?
How Hillary Clinton Works
history.howstuffworks.com/historical-figures/hillary-clinton.htm
Hillary Clinton is in the running to become the first female U.S. President. Read about Hillary Clinton and her agenda, voting record and career.
How Dual Flush Toilets Work
home.howstuffworks.com/dual-flush-toilet.htm
Dual flush toilets handle solid and liquid waste differently from the standard toilet. Find out how dual flush toilets get rid of waste.
How Career Change Programs Work
money.howstuffworks.com/second-career-ideas/career-change-programs.htm
Career change programs can help you make a smooth transition into a job you love. Learn how career change programs work at HowStuffWorks.
What are solar air heaters?
home.howstuffworks.com/solar-air-heaters.htm
With fuel costs and other factors, solar air heaters are getting more attention. Learn about solar air heaters and how they can heat your home.
Grassoline: Can we fuel cars with grass?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/grassoline.htm
Grassoline for fuel is a concept that is under development in the ongoing search for an alternative to oil. Learn about the concept of grassoline.
What If We Put an End to Famine?
science.howstuffworks.com/science-vs-myth/what-if/what-if-end-famine.htm
What if we put an end to famine? Explore the hypothetical and discover what might happen if we put an end to famine.