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Red Admiral Butterfly: Found All the Way from Europe to Hawaii

animals.howstuffworks.com/insects/red-admiral-butterfly.htm

If you've ever taken a springtime stroll through a park or garden, you might have seen a fast, darting flash of orange and black zip past your face. That bold little flier is likely the red admiral butterfly, a widespread member of the Vanessa genus.

The Porbeagle Shark Hunts With Dogged Determination

animals.howstuffworks.com/fish/sharks/porbeagle-shark.htm

Porbeagles are related to great whites, but while they're also athletic killers, they're smaller and far less ferocious. And what's with the funny dog name?

Top 10 Tree-Dwelling Animals

animals.howstuffworks.com/animal-facts/10-tree-dwelling-animals.htm

These animals aren't treehuggers in the environmental activist sense. They have to hold on for dear life! Meet the top 10 tree-dwelling animals.

What Are the 7 Largest Countries in the World by Area?

science.howstuffworks.com/environmental/earth/geophysics/largest-countries-in-world-by-area.htm

The seven largest countries in the world account for nearly half of the world's land area, but one is far larger than the rest. Do you know what the largest country is?

Can You Answer These Questions Every Ford Owner Should Know?

play.howstuffworks.com/quiz/can-you-answer-these-questions-every-ford-owner-should-know

Think you're a Ford fanatic? Live in the Blue Oval? Go Further than your friends by testing your knowledge and proving that you're Built Ford Tough!

The Most Dangerous Snake in the World Has Competition

animals.howstuffworks.com/snakes/most-dangerous-snake-in-the-world.htm

The "most dangerous snake in the world" debate is entrenched in technicalities because there are so many species of dangerous snakes that have evolved with specialized weapons and deadly skills. These predators threaten small prey in the wild, as well as occasional unlucky humans who cross their paths.

No Pants Day

people.howstuffworks.com/culture-traditions/holidays-other/no-pants-day.htm

No Pants Day is a little-known holiday that celebrates not taking oneself seriously. Learn how to celebrate No Pants Day and explore No Pants Day events.

Scientists Say: Hey, Hikers, Stop Stacking Rocks!

science.howstuffworks.com/environmental/conservation/issues/rock-cairns.htm

It may seem cool to stack rocks for fun or artistic purposes but moving rocks may inadvertently threaten small mammals and insects and contribute to soil erosion.

Velociraptor Alert: The Feathered Dinosaur Quiz

science.howstuffworks.com/environmental/earth/geology/feathered-dinosaur-quiz.htm

Test your knowledge of the fluffy, winged dinos of the bygone Mesozoic era, from little Microraptor to the enormous Yutyrannus with this quiz.

Polio Doc Jean Macnamara's Work Proves Viruses Can Be Vanquished

history.howstuffworks.com/historical-figures/-jean-macnamara.htm

Dame Jean Macnamara's research helped lead to the Salk vaccine for polio. Her lasting legacy as an advocate for people with disabilities lives on today.

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