Search Results | world population
Your search for "world population" returned 1,923 results
Where Do Axolotls Live and Why Do They Look So Strange?
animals.howstuffworks.com/endangered-species/axolotl.htm
The axolotl, a critically endangered species, can regenerate virtually any of its limbs or organs and has a face that's totally irresistible.
European Geography Quiz
play.howstuffworks.com/quiz/european-geography-quiz
So you think you know Europe? Map it out and take this quiz!
How Does Herd Immunity Keep a Country Safe From Diseases?
science.howstuffworks.com/life/cellular-microscopic/herd-immunity.htm
Herd immunity relies on the principle of safety in numbers as far as vaccinations go. Find out why herd immunity is an important public health issue.
15 White Birds Soaring Over Africa, Asia, Europe and the Americas
animals.howstuffworks.com/birds/white-birds.htm
White birds are some of the most striking and elegant creatures in the natural world. Whether soaring over lakes, wading through wetlands, or perched in city skylines, these birds tend to capture attention with their brilliant features.
The International Holidays Quiz
play.howstuffworks.com/quiz/international-holiday-quiz
When you're fighting the crowds at the mall before Christmas or busily preparing a Thanksgiving feast, it can be easy to forget these holidays aren't universal. See how much you know about how people around the world celebrate!
Are Frogs on the Brink of Extinction?
animals.howstuffworks.com/endangered-species/frog-extinction.htm
Frogs are like the canary in the coal mine for the state of the environment. HowstuffWorks looks at their endangered status.
How Ramadan Works
people.howstuffworks.com/culture-traditions/holidays-other/ramadan.htm
In Islam, Ramadan is the holiest time of the year. For a month, Muslims fast during daylight hours to show their devotion to Allah. Find out more about Ramadan.
Tropical Rainforest Guide: How Rainforests Work
science.howstuffworks.com/environmental/conservation/issues/rainforest.htm
Tropical rainforests are the most diverse ecosystems on Earth, and also the oldest. Today, tropical rainforests cover only 6 percent of the Earth's ground surface, but they are home to over half of the planet's plant and animal species.
How Aboriginal Australians Work
people.howstuffworks.com/aborigine.htm
The Aboriginal people were the first people to set foot on the Australian continent around 40,000 years ago. Learn about the history of the Aboriginal people.
The Fertile Crescent Truly Was the Cradle of Civilization
history.howstuffworks.com/european-history/fertile-crescent.htm
A roughly crescent-shaped region encompassing modern-day Iraq, Syria, Lebanon, Jordan, Israel, Egypt, and parts of Turkey and Iran, the Fertile Crescent was home to the world's first settled agricultural communities.