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How Old Is Earth and How Did Scientists Figure It Out?
science.howstuffworks.com/how-old-is-earth.htm
In 1953, CalTech geochemist Clair Patterson came up with an estimate for Earth's age that still holds today.
Notre Dame Cathedral: What It Took to Build Her
history.howstuffworks.com/european-history/notre-dame-cathedral.htm
Notre Dame Cathedral has burned. HowStuffWorks looks at how she was built.
10 Most Powerful DC Characters: A Highly Subjective List
entertainment.howstuffworks.com/arts/comic-books/most-powerful-dc-characters.htm
The DC Universe is packed with cosmic forces, godlike heroes, and villains capable of reshaping reality. From the early days of Action Comics to the sprawling multiverses of Dark Crisis and Infinite Earths, the most powerful DC characters have pushed the boundaries of sheer power.
10 Chicago Landmarks No Visitor Wants to Miss
history.howstuffworks.com/american-history/chicago-landmarks.htm
Chicago is packed with some of the most celebrated sights in the United States. From the glimmering lakefront to the towering skyscrapers, Chicago landmarks tell a vibrant story of architecture, innovation and culture that you can experience all in one epic city.
15 Blue Gemstones: Moonstone, Blue Lace Agate, and Beyond
science.howstuffworks.com/environmental/earth/geology/blue-gemstones.htm
From deep blue to light sky blue, blue gemstones offer a diverse range of hues that evoke serenity, power, and timeless beauty.
What are smart bracket braces?
health.howstuffworks.com/wellness/oral-care/kids/smart-bracket-braces.htm
What are smart bracket braces? See what smart bracket braces are all about and how they work.
Centrioles: You Can't Divide Cells Without Them
science.howstuffworks.com/life/cellular-microscopic/centriole.htm
Centrioles are spindles that create the pathways for chromosomes to follow during cell division.
How Hula Hoops Work
people.howstuffworks.com/hula-hoop.htm
Where did hula hoops come from and how did they get so popular? Read about the origins of hula hoops at HowStuffWorks.
Why Do People Knock on Wood for Luck?
people.howstuffworks.com/why-do-people-knock-on-wood-for-luck.htm
Have you ever wondered why people knock on wood for luck? Like many superstitions, the answer goes back as far as pagan rituals.
How Valentine's Day Works
people.howstuffworks.com/culture-traditions/holidays-other/valentine.htm
Was there really a saint named "Valentine"? And why all the flowers and chocolate? Learn all about the origins and symbols of Valentine's Day.