Search Results | human population
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What makes a cheetah run so fast?
animals.howstuffworks.com/mammals/cheetah-speed.htm
What makes a cheetah run so fast? Learn why a cheetah runs as fast as it does, and find out how cheetah anatomy allows it to reach top speeds.
How Archaeology Works
science.howstuffworks.com/environmental/earth/archaeology/archaeology.htm
Archaeology is the study of ancient civilizations and human remains, such as buildings, art or trash. Learn about archaeology and archaeologists.
Can You Name the Countries for These Mostly Green Flags?
play.howstuffworks.com/quiz/can-you-name-the-countries-for-these-mostly-green-flags
The stars and stripes. The maple leaf. The red ensign. The gold and green. Every country has a flag and every flag has a meaning. Do you think you can ID all these countries that have green flags? Run this quiz up the flagpole, and see who salutes!
How much power does the world consume?
science.howstuffworks.com/environmental/green-science/world-power-consumption.htm
World power consumption is dominated by the world's richest countries. Learn about world power consumption and find out how much power the world consumes.
What Is a Group of Spiders Called? (Aside From Icky)
animals.howstuffworks.com/arachnids/what-is-a-group-of-spiders-called.htm
Spiders live in nearly every environment on Earth, from forests and wetlands to deserts and homes shared with humans. People often ask "what is a group of spiders called" because spotting many spiders together feels out of step with how these animals usually behave.
Why Just 5% of Americans Account for 50% of U.S. Health Care Spending
health.howstuffworks.com/health-insurance/5-percent-americans-account-50-percent-health-spending.htm
Health care spending in America goes up enormously every year. Yet just a small number of people account for most of the money. Why is this and how can we rein that in?
Flesh-eating Screwworm Maggots Are Devouring Rare Tiny Florida Deer Alive
animals.howstuffworks.com/insects/screwworm-florida-key-deer.htm
The flesh-eating screwworm has been found in the Florida Keys. Learn more about screwworms and Key deer in this HowStuffWorks Now article.
Are You a Geography Guru?
play.howstuffworks.com/quiz/are-you-a-geography-guru
The world is a large and expansive place, with lots to know and discover. But just how much do you know about the lay of the land? Fancy yourself a geography guru? If so, take on our challenge to prove it.
When will life on Earth end?
science.howstuffworks.com/life/evolution/life-on-earth-end.htm
Imagine a time in Earth's far-flung past when organisms didn't swim through the oceans or populate the lands. Even the mighty dinosaurs hadn't arisen. Will the planet ever return to that lifeless state?
Yellow Jacket vs. Wasp Identification Tips
animals.howstuffworks.com/insects/yellow-jacket-vs-wasp.htm
When a buzzing insect makes a beeline for your picnic, it’s tempting to call it a wasp. But in yellow jacket vs. wasp comparisons, there are key differences worth noting.