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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.
How strong is a shark's bite?
animals.howstuffworks.com/fish/sharks/strength-of-shark-bite.htm
A shark bite is pretty scary to think about, but knowing the force behind a shark bite may ease your worries. Learn how strong a shark bite is.
1953-1954 Chevrolet Bel Air
auto.howstuffworks.com/1953-1954-chevrolet-bel-air.htm
The 1953-1954 Chevrolet Bel Air was a transition towards the classic Chevy that's ripe for rediscovery. Check out the 1953-1954 Chevrolet Bel Air.
What's a prehistoric toolkit and how could it rewrite human history?
science.howstuffworks.com/life/evolution/prehistoric-toolkit.htm
A prehistoric toolkit is a set of tools that early humans utilized. Learn about a prehistoric toolkit in this article from HowStuffWorks.
How does a puzzle box work?
entertainment.howstuffworks.com/puzzles/puzzle-box.htm
A puzzle box must be opened through a series of twists and turns. Learn how puzzle boxes work at HowStuffWorks.
Why are dental procedures so expensive?
health.howstuffworks.com/wellness/oral-care/procedures/why-are-dental-procedures-expensive.htm
Dental procedures are expensive for a variety of reasons. Learn why dental procedures are so expensive.
Finding the Strongest Dog Bite in 10 Breeds
animals.howstuffworks.com/pets/strongest-dog-bite.htm
Size plays a role in the strongest dog bites out there, but so does the canine's morphology, aka snout shape.
River-bottom Bones: The Strange World of Underwater Fossil Hunting
science.howstuffworks.com/environmental/earth/geology/underwater-fossils.htm
Winding through the South Carolina low country, the Cooper River is a reed-lined haven for sportfish and shorebirds. The waterway originates in Berkeley County's Lake Moultrie. From there, it proceeds all the way down to Charleston, where it merges with the Ashley and the Wando to form that city's world-famous harbor. (Ever hear of Fort Sumter?)
River-bottom Bones: The Strange World of Underwater Fossil Hunting
science.howstuffworks.com/environmental/earth/geology/underwater-fossil-hunting.htm
Not all fossils are found on dry land. In fact some of the most fascinating fossil finds in history have been submerged for centuries.
8 Everyday Items Originally Invented for People With Disabilities
Many items enjoyed by people of all abilities were originally designed to help people with disabilities. Here are some inventions you may use every day that were originally for the disabled community.