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How and why do bats hang upside down all day?
animals.howstuffworks.com/mammals/question668.htm
Bat roosting is unusual in that bats hang upside down when they are sleeping or resting. Learn about bat roosting and why bats hang upside down.
Do whales and dolphins sleep?
animals.howstuffworks.com/mammals/question643.htm
Whale sleep patterns are different from land mammals in that they are never really unconscious when they sleep. Learn about whale sleep patterns.
Why do newspapers turn yellow over time?
science.howstuffworks.com/question463.htm
Why do newspapers turn yellow over time?
Why do eggs turn hard when you boil them?
recipes.howstuffworks.com/menus/question616.htm
Ever wondered why eggs turn hard when you boil them? Check out this article to find out just why eggs turn hard when you boil them.
Spaced Out: Astronaut Quiz
play.howstuffworks.com/quiz/astronaut-quiz
Astronauts have a reputation for being the brave and skilled few willing to risk their lives by strapping themselves aboard a rocket and blasting into outer space. How much do you know about this dangerous job?
How do touch-sensitive lamps work?
science.howstuffworks.com/innovation/science-questions/touch-sensitive-lamp.htm
Touch-sensitive lamps is explored in this article from HowStuffWorks. Learn about touch-sensitive lamps.
Are acrylic nails bad for my health?
health.howstuffworks.com/skin-care/nail-care/health/acrylic-nails-bad-for-health.htm
Are acrylic nails bad for my health? Visit HowStuffWorks to learn if acrylic nails are bad for your health.
How to Treat Eye Strain With Aromatherapy
Hours of work can leave eyes over-tired, but there are ways to treat eye strain with aromatherapy. Learn to make compresses with essential oils.
How does a hybrid car work?
auto.howstuffworks.com/fuel-efficiency/vehicles/question262.htm
What exactly is a hybrid car?
Why is there a controversy surrounding the word 'Xmas'?
people.howstuffworks.com/culture-traditions/holidays-christmas/xmas.htm
'Xmas' has caused controversy among Christians because they feel it takes Christ out of Christmas. Learn more about 'Xmas' and 'Xmas' controversy.