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5 of the World's Most Grueling Ultramarathons
entertainment.howstuffworks.com/ultramarathons.htm
Running through extreme heat, elevation, snow or rough terrain in an ultramarathon is a challenge designed to defeat all but the most determined.
What Is the Most Dangerous Animal in the World?
animals.howstuffworks.com/animal-facts/worlds-most-dangerous-animal.htm
It's hard to say what is the most dangerous animal in the world; you're not comparing apples to apples. But when it comes dangerous, these four top the list.
How Whaling Works
science.howstuffworks.com/environmental/conservation/issues/whaling.htm
Whaling has been practiced for several centuries. Learn about whaling, and find out what is being done to stop whaling.
Can You Tell Us the First Names of These U.S. Presidents?
play.howstuffworks.com/quiz/can-you-tell-us-the-first-names-of-these-us-presidents
Everybody's heard of Obama, Trump, Madison and Jackson, but do you know their first names? Presidential names range from Rutherford to John and cover centuries of society's trends. Can you match these first names to the U.S. president?
Man-made Islands Are More Common Than You Think
science.howstuffworks.com/engineering/structural/man-made-islands.htm
Man has been building islands all over the world for centuries using extraordinary feats of engineering. But at what cost to the environment?
How did scientists find soft tissue in dinosaur fossils?
science.howstuffworks.com/environmental/earth/geology/soft-tissue-dinosaur-fossil.htm
How did scientists find soft tissue in dinosaur fossils? It shouldn't be possible. Learn how did scientists find soft tissue in dinosaur fossils.
9 Deep-diving Facts About the Lands of Oceania
history.howstuffworks.com/world-history/oceania.htm
Fourteen countries and 39 million square miles make up Oceania in the South Pacific. And bungee jumping was invented there, too.
How the Ice Age Worked
history.howstuffworks.com/historical-events/ice-age.htm
An ice age is a period of cooling, marked by the presence of glaciers and ice sheets. Learn how an ice age works and if we're in an ice age right now.
10 Ways to Cool Your Roof
home.howstuffworks.com/home-improvement/construction/green/10-ways-cool-roof.htm
With the increase in "green building," cool roofs are becoming popular. These are roofs that have been built or modified to maintain a lower temperature in bright sun. We'll examine some of the many ways you can cool your roof.
Why landscape with native plants?
home.howstuffworks.com/lawn-garden/professional-landscaping/landscape-with-native-plants.htm
Native plants are usually easier to take care of and they can be less expensive than non-native species, too. Learn about native plant landscaping.