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Why do cougars scream?
animals.howstuffworks.com/mammals/cougar-scream.htm
Cougars scream during mating season to attract the opposite sex. Learn how cougars scream and why humans don't hear these cougar screams too often.
Will the U.S. be a desert in 50 years?
science.howstuffworks.com/nature/climate-weather/atmospheric/us-desert-50-years.htm
Will the U.S. be a desert in 50 years? Learn about the chances of the U.S. becoming a desert in the next 50 years.
How 'Tremors' Graboids Work
entertainment.howstuffworks.com/tremors-graboids.htm
Graboids, from the film Tremors, are man-eating worms that live in Nevada. Learn about the science of Graboids in this article.
How Airports Work
science.howstuffworks.com/transport/flight/modern/airport.htm
Did you know that airports were once known as "flying fields" because planes took off and landed in large fields? Journey through the hidden world of airports in this article, but without the stress, nail-biting and packages of peanuts.
The Biggest Catfish Ever Caught (So Far)
animals.howstuffworks.com/fish/biggest-catfish-ever-caught.htm
Catfishing is more than a hobby—it's a quest for record-breaking giants in rivers and lakes, with the biggest catch becoming modern fishing folklore.
Ankylosaurus: A Tank-like Herbivore With a Killer Club Tail
animals.howstuffworks.com/dinosaurs/ankylosaurus.htm
Ankylosaurus was a dinosaur with short, squat legs that allowed it to run at about 6 miles per hour - fast, but not fast enough to outrun a large carnivorous predator like Tyrannosaurus rex.
The Best Turquoise Is More Valuable Than Diamonds
science.howstuffworks.com/environmental/earth/geology/turquoise.htm
Cultures all over the world have treasured turquoise for its color and rarity for thousands of years - from Native American jewelry and Aztec and Mesoamerican art to King Tutankhamun's death mask.
This Venomous Snakes Identification Quiz Is Really Hard, So We'll Be Impressed if You Even Get 4 Right
play.howstuffworks.com/quiz/identify-these-venomous-snakes-can-you
Knowing sequences of colors and patterns can help you identify these venomous snakes from an image. Your life may depend on it!
What Is the Point of Daylight Saving Time?
science.howstuffworks.com/innovation/everyday-innovations/daylight-saving-time.htm
We humans aren't complete slaves to time. We've devised ways to pack an extra hour of sunshine into our day, thanks to daylight saving time. But who came up with this idea and why do so many people loathe it?
How Accents Work
people.howstuffworks.com/accents.htm
How do accents develop and why is it so hard to lose one? Learn all about accents from HowStuffWorks.