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Why are otters playful?
animals.howstuffworks.com/mammals/otters-playful.htm
Playful otters often wrestle, slide and play with their food. Learn how otters are playful and use fun and games as ways to improve their survival tactics.
What's the environmental impact of the Deepwater Horizon oil spill?
science.howstuffworks.com/environmental/energy/deepwater-horizon-oil-spill.htm
The Deepwater Horizon oil spill is one of the worst oil spills in history, and its effects are largely still unknown. Learn about the Deepwater Horizon.
2008 in Pictures
history.howstuffworks.com/historical-events/2008-pictures.htm
The year 2008 in pictures includes everything from newsmakers like Robert Mugabe and Michael Phelps to events like the Myanmar cyclone. See 2008 in pictures.
How do they figure out the number of calories in a recipe?
recipes.howstuffworks.com/tools-and-techniques/recipe-calories.htm
Is determining it as simple as adding up the calories in the ingredients and dividing them by the number of servings? Or does the cooking (or even the digestive process) change the final calorie count?
Sperm Banks
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/fertility/sperm-bank.htm
Sperm banks use sperm donors to gather or preserve sperm. Learn how a sperm bank stores sperm and screens donors.
How Mogwai and Gremlins Work
entertainment.howstuffworks.com/mogwai-gremlins.htm
To a child of the 80s, a mogwai is the ideal pet. But woe to those pet owners who wound up with a gremlin. Learn how mogwai and gremlins work.
How Wind Power Works
science.howstuffworks.com/environmental/green-science/wind-power.htm
When air moves quickly, that motion means kinetic energy, which can be captured. Learn how the simplest possible wind-energy turbine works.
How a Pneumatic Tube Works
electronics.howstuffworks.com/everyday-tech/pneumatic-tubes.htm
That tube you put your check or deposit slip in at the bank drive-up window is called a pneumatic tube. This was cutting edge 19th-century technology and is still in use today.
'Unsolved' Mysteries, Solved: 10 Times We Answered History's Biggest Questions
Was Anna Anderson really Anastasia Romanov? Does the Bermuda Triangle really exist? Wonder no more: We have the answers to these and other formerly unsolved mysteries.
How Backscatter X-ray Systems Work
electronics.howstuffworks.com/gadgets/high-tech-gadgets/backscatter-x-ray.htm
Do you know how backscatter X-ray systems work? Find out how backscatter X-ray systems work in this article from HowStuffWorks.