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How to Use a Times Table (It's Not Magic, It's Memorization)
science.howstuffworks.com/math-concepts/how-to-use-multiplication-table.htm
A multiplication table is an easy-to-use grid of numbers that can help you learn to multiply quickly by using the chart and, eventually, your memory.
10 Fascinating Facts About the New 'Tree of Life' Evolution Chart
science.howstuffworks.com/life/evolution/10-facts-new-tree-life-evolution-chart.htm
The newly developed family tree of Earth's 2.3 million species is a first draft of the 3.5-billion-year history of evolution.
What Is Leap Year? And Why Was 1900 a Non-leap Year?
science.howstuffworks.com/science-vs-myth/everyday-myths/question50.htm
February is an unusual month, especially when it comes to leap years. In this article, you can read about why we use leap years and how the year 2000 was a leap year and 1900 was not.
How Sudoku Works
entertainment.howstuffworks.com/leisure/brain-games/sudoku.htm
Sudoku is a popular logic-based game of numbers. Learn sudoku strategies, see a puzzle solved and find out about the origins and controversies of sudoku.
The Green Iguana Can Grow up to 7 Feet Long
animals.howstuffworks.com/reptiles/green-iguana.htm
Did you know green iguanas have a third eye and can grow up to 7 feet (2.1 meters) long?
How Two-line Phones Work
electronics.howstuffworks.com/two-line-phone.htm
Two-line phones incorporate two separate phone lines into one device. Learn how two-line phones work and why business travelers love them.
E = mc2: What Does Einstein's Famous Equation Really Mean?
science.howstuffworks.com/science-vs-myth/everyday-myths/einstein-formula.htm
Einstein's formula for relativity is one of the most famous formulas in the world. Learn about Einstein's formula in this article.
What does it mean to call a pickup truck a '1/2 ton truck' (also known as a 'half-ton truck')?
auto.howstuffworks.com/auto-parts/towing/towing-capacity/information/half-ton-truck.htm
A 1/2 ton truck is a pickup truck with a certain curb weight and payload capacity. Learn about what makes a truck a half-ton truck.
How Absolute Value Works in Equations and Graphs
science.howstuffworks.com/math-concepts/absolute-value.htm
Absolute value is a mathematical concept often used in conjunction with a number line or graph to represent the relative value from zero (modulus). To illustrate this idea in a different way, the absolute value of a number can be closely related to distance in the physical world.
What Is the Rarest Pokémon Card? And Is It Worth $5.2 Million?
entertainment.howstuffworks.com/what-is-the-rarest-pokemon-card.htm
In 1996, the Pokémon trading card game launched in Japan, just months after the release of the Pokémon Red and Green games for Nintendo's Game Boy. Now, 28 years and 52.9 billion cards later, the Pokémon trading card game continues to captivate players and collectors alike.