Search Results | yellowstone national park
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What's the Difference Between a Brown Bear and a Black Bear?
animals.howstuffworks.com/mammals/brown-bear.htm
Yes, the obvious fur color seems like a dead giveaway, but you can't always judge a bear by the color of its fur.
What Happens When a Keystone Species Goes Extinct?
science.howstuffworks.com/environmental/conservation/issues/keystone-species-extinct.htm
Keystone species in an ecosystem function much like a keystone in an arch. Without them the structure collapses. Learn about keystone species.
Can You Guess Which Countries These Breathtaking Landscapes Are From?
play.howstuffworks.com/quiz/can-you-guess-which-countries-these-breathtaking-landscapes-are-from
Where in the world can you marvel at Earth's biggest canyon, swim in lakes the color of bubble gum, or stroll through endless stretches of red sand? Take our quiz to see if you can match these breathtaking landscapes to the correct country!
What is the oldest fossil ever found?
science.howstuffworks.com/environmental/earth/geology/oldest-fossil-ever-found.htm
The oldest fossil ever found could date back to 3 billion years ago. Learn about the oldest fossil ever found in this article.
Insane Speed Records Are Broken at Bonneville Salt Flats
auto.howstuffworks.com/auto-racing/motorsports/bonneville-salt-flats.htm
World speed records are set and broken at the Bonneville Salt Flats every year. What makes the area so conducive to speed? HowStuffWorks investigates.
Every Single Living Thing Is Part of an Ecosystem. Here's How They Work
science.howstuffworks.com/life/biology-fields/ecosystem.htm
How do we consider a Thing with no edge? Ecosystem ecologists are always trying.
How Aliens Work
science.howstuffworks.com/space/aliens-ufos/alien-physiology.htm
Alien life forms would probably differ from those on Earth but still adhere to certain principles. Learn about astrobiology and the search for alien life forms.
5 Green Jobs for Retirees
money.howstuffworks.com/second-career-ideas/5-green-jobs-for-retirees.htm
What are some green jobs for retirees? Learn about 5 Green Jobs for Retirees at HowStuffWorks.
Do You Know the Leap Year These Historical Events Happened?
play.howstuffworks.com/quiz/do-you-know-the-leap-year-these-historical-events-happened
What comes along once every four years and is a real downer for salaried workers? It's leap year! While this one day may not hold a ton of historical significance, the year it represents certainly does. Can you identify the important events or moments in these years divisible by four?
Do Wolves Really Howl at the Moon?
animals.howstuffworks.com/mammals/wolves-howling-at-moon.htm
Wolves and the moon have been connected since ancient times. Learn why we link wolves and the moon, and if wolves and the moon share a mystical bond.