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Why Do Most Humans Have 23 Pairs of Chromosomes?
science.howstuffworks.com/life/genetic/23-pairs-chromosomes.htm
Nearly every living cell is made of DNA, and every chromosome contains exactly one molecule of DNA. But not all cells are made of the same number of chromosomes.
Did French kissing start in France?
French kissing appears in the Kama Sutra circa the third century. So did French kissing start in France or somewhere else? Find out.
Can you name these muscles of the body?
play.howstuffworks.com/quiz/can-you-name-these-muscles-the-body
Your body works hard every day. But do you know the muscles that make your body move? Take this quiz to find out how well you know the muscles that allow you to work, play and survive.
How the Catholic Church Decides What's a 'Miracle'
people.howstuffworks.com/miracle-catholic-church-news.htm
The process requires a rigorous examination of the life and holiness of a candidate and involves several stages that can last years or even centuries.
555 Angel Number: Meaning, Symbolism, and What to Do
science.howstuffworks.com/science-vs-myth/everyday-myths/555-angel-number-meaning.htm
Seeing the 555 angel number? Discover its powerful meaning. Uncover the symbolism behind this sign and what it means for transformation, change, and your life path.
Differences Between Rational and Irrational Numbers
science.howstuffworks.com/math-concepts/rational-vs-irrational-numbers.htm
Rational numbers can be expressed as the ratio of two integers, while irrational numbers, such as square roots of non-square numbers, cannot.
29 Weird Facts About Animals, Space, History, and the Human Body
science.howstuffworks.com/weird-facts.htm
The world is full of oddities. Some are delightful; others are just plain strange.
How Nostradamus Works
science.howstuffworks.com/science-vs-myth/extrasensory-perceptions/nostradamus.htm
Nostradamus is said to have predicted the rises of Napoleon and Hitler, the destruction of the World Trade Center and even the COVID-19 pandemic. But was this 15th-century astrologer really that smart?
How Airbags Work
auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/airbag.htm
Do airbags reduce the risk of injury in crashes? Learn about airbags and see the Mythbusters test airbag explosions in a video from Discovery Channel.
How Crystal Skulls Work
science.howstuffworks.com/science-vs-myth/unexplained-phenomena/crystal-skull.htm
To some people, a crystal skull is simply a crystal in the shape of a human skull. But to those who believe in the supernatural, it can represent doom or hope.