On December 13, one of the longest and darkest nights of the winter, Swedes celebrate the festival of St. Lucia, the patron saint of light. In many homes, a girl gets up early in the morning and…
Biggest
Land mammal: African elephants weigh up to 14,000 pounds and can eat as much as 600 pounds of food a day! Their trunks contain as many as 100,000 different muscles.
Marine mammal: The blue…
Event Time 100m Justin Gatlin, USA 9.85 Francis Obikwelu, POR9.86 Maurice Greene, USA9.87 200m Shawn Crawford, USA 20.05 Bernard Williams, USA20.18 Frank Fredericks, NAM20.43 400m Jeremy…
People have put together many lists of the seven ancient wonders of the world. But this “seven wonders” list celebrates monumental engineering and construction feats of the 20th century. It was…
Dividing Polynomials
Algebra
Introducing Polynomials Classifying Polynomials Adding and Subtracting Polynomials Multiplying Polynomials Dividing Polynomials
There are two techniques you can…
The Romans were superstitious that even numbers were unlucky, so their months were 29 or 31 days long Related Links History of the Calendar History of the Lunar Calendar History of…
