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The Biggest Bear Stands 5 Feet Tall on All Fours (Not Even on Its Hind Legs)
animals.howstuffworks.com/mammals/biggest-bear.htm
Polar bears are one of the largest mammals on land; only the African elephant can tower over the polar bear in this corner of the animal kingdom. But how do you measure the biggest bear? By height or by weight?
Petrified Wood: A Journey From Tree to Stone
science.howstuffworks.com/environmental/earth/geology/petrified-wood.htm
Petrified wood can be found all over the world, but how is it created?
Opossums: So Darn Ugly They're Adorable
animals.howstuffworks.com/mammals/opossums-so-darn-ugly-theyre-adorable.htm
Opossums are some of the most misunderstood animals. HowStuffWorks looks at some cool opossum facts.
Alligator Gar: 100 Million Years Old and Still Kicking
animals.howstuffworks.com/fish/alligator-gar-100-million-years-old-and-still-kicking.htm
The prehistoric looking alligator gar is sometimes referred to as a "living fossil" and, while it may look threatening, it's harmless to anything larger than itself.
Female Citizen Scientists Set Sail to Tackle Ocean Plastic
science.howstuffworks.com/environmental/earth/oceanography/female-citizen-scientists-exxpedition.htm
EXXpedition founder Emily Penn will captain the 300, all-female crew in its first Round the World sailing voyage.
What Are Single-use Plastics and Should They Be Banned?
science.howstuffworks.com/environmental/conservation/issues/single-use-plastics.htm
China has joined the more than 120 countries outlawing certain types of single-use plastics, those convenient but controversial plastics we've all become so used to. What exactly are they, though, and is banning them really necessary?
What's the Difference Between a Mountain Lion and a Cougar?
animals.howstuffworks.com/mammals/cougar-vs-mountain-lion.htm
Puma, panther, mountain cat, mountain lion, mountain screamer, painter, catamount and, yes, cougar. This cat has a lot of names!
The Stratosphere Is Home to Earth's Ozone Layer
science.howstuffworks.com/environmental/earth/geophysics/stratosphere.htm
The stratosphere is one of Earth's five atmospheric layers that also includes the troposphere, mesosphere, thermosphere and exosphere.
We're Getting Closer to the Quantum Internet, But What Is It?
electronics.howstuffworks.com/future-tech/quantum-internet.htm
The quantum internet would use the quirky behavior of tiny particles to enable applications not possible with today's internet.
How Much Do You Know About the Seven Wonders of the World?
play.howstuffworks.com/quiz/how-much-do-you-know-the-seven-wonders-the-world
The Seven Wonders of the World are legendary for capturing our hearts and imaginations. People travel all the way across the world to see one of the wonders, as though it were a pilgrimage. This quiz will take you there, without the expensive airfare.