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5 Invasive Species That Might Conquer the World
science.howstuffworks.com/environmental/green-science/5-invasive-species-conquer-world.htm
Invasive species are found around the globe, and can be damaging to the world's ecosystems. Some invasive species seem almost unstoppable like these five.
Looks and Acts Like a Hummingbird? Could Be a Hummingbird Moth
animals.howstuffworks.com/insects/hummingbird-moth.htm
If you see a small hummingbird zip by your face, take a second look - what looks like a hummingbird may actually be a moth.
13 of the Hypest Hypercars Ever
auto.howstuffworks.com/under-the-hood/trends-innovations/hypercar.htm
Some of the most insane hypercars have hit the market in the last few years. Whether you have a few million bucks to drop or not, you definitely want to check out the sick wheels on this list.
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.
Are You Well Traveled?
play.howstuffworks.com/quiz/are-you-well-traveled
Have you been around the world? Do you spend your free time planning your next adventure to a new place? Let's find out just how well traveled you are.
Can You Pass This Super-Tough Snake Identification Quiz?
play.howstuffworks.com/quiz/can-you-pass-this-supertough-snake-identification-quiz
Snakes are some of the most common reptiles on the face of the planet but how well do you know them? Take this quiz if you would like to find out!
Loose Mazdas Sink Ships
auto.howstuffworks.com/car-driving-safety/accidents-hazardous-conditions/loose-mazdas-sink-ships.htm
The guys from CarStuff recount the story of an accident that left one very large ship and thousands of cars wrecked.
Railroad Expansion
history.howstuffworks.com/american-history/railroad-expansion.htm
The railroad expansion of the middle and late 1800s changed America forever. Read more about the westward expansion of railroads.
Why Do Electrical Prongs Have Holes in Them?
home.howstuffworks.com/two-flat-prong-plug-holes.htm
If you unplug any appliance in your house, there's a 98 percent chance than the two flat prongs have holes in them. Find out the reasons for these holes.
Fruitless Mulberry Tree
home.howstuffworks.com/fruitless-mulberry-tree.htm
An ideal plant for landscaping, fruitless mulberry tree is a unique fruit tree native to China. Learn more about how to grow and maintain fruitless mulberry tree.