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Your search for "observable" returned 2,029 results
What is a birthmark?
health.howstuffworks.com/skin-care/problems/baby/question628.htm
I noticed a light brown spot emerge on my newborn son's forehead when he was about three days old. It never went away. Everyone calls it a birthmark. What is a birthmark?
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.
Should you use a pumice stone before moisturizing your feet?
health.howstuffworks.com/skin-care/moisturizing/products/pumice-stone-moisturizing-feet.htm
Should you use a pumice stone before moisturizing your feet? Read about how to use a pumice stone before you moisturize your feet.
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.
John Lear and the Dark Side
science.howstuffworks.com/space/aliens-ufos/john-lear.htm
John Lear and is one of the chief conspiracy theorists of the so-called "dark side movement", which suspects a secret government of illicit dealings with aliens. Learn more about John Lear and the dark side.
How Trademarks Work
money.howstuffworks.com/trademark.htm
A trademark is concerned with a company's need to identify its goods or services among its customers and potential customers. Learn how they work.
Why the difference in speed with my cable modem?
computer.howstuffworks.com/question589.htm
Why is it that my cable modem goes extremely fast some of the time but is unbearably slow at other times? And how can I fix this?
Humanity's Eclipse Superstitions Are Weird and Fascinating
people.howstuffworks.com/solar-eclipse-superstitions.htm
What superstitions existed in the past about solar eclipses? Do any persist today? Learn about eclipse superstitions in this HowStuffWorks article.
What Kind of Man Does Your Heart Need?
play.howstuffworks.com/quiz/what-kind-of-man-does-your-heart-need
When you're with the guy of your dreams, every day feels like Valentine's Day! But if you've been having trouble finding Mr. Right, then this lovey-dovey quiz will provide the key to your heart!
Real Life 'Jurassic Park'? Scientists Work to Bring Back Extinct Thylacine
animals.howstuffworks.com/extinct-animals/bring-back-extinct-thylacine-news.htm
Bringing a species back from extinction might not be the stuff of sci-fi any longer.