Coral Reefs and Why They Are In Danger of Extinction
Climate change, water pollution, destructive fishing and damage to coastal habitats are all contributing factors.
Background: What Are Coral Reefs?
Teeming with life, coral reefs are...
Sites for Learning About the 50 States
When was Colorado admitted to the Union? What is the state motto of Idaho? Who were earliest inhabitants of Indiana? Any student tasked with...
11 Things You May Not Know About Abraham Lincoln
Abraham Lincoln is one of the most studied figures in American history, but there is still much you may not know about his life....
Civil Rights Cities: Little Rock, Arkansas
Witness to one of the defining moments in the U.S. civil rights movement, Little Rock, Ark., made history in 1957 when nine African American...
The Origins of Christmas
December 17, 2013
by Denis Cummings
Since the mid-fourth century, Western Christians have celebrated Christmas on Dec. 25 to honor the birth date of Jesus Christ....
11 Things You May Not Know About Abraham Lincoln
by Denis Cummings
Abraham Lincoln is one of the most studied figures in American history, but there is still much you may not know about...
Six Women Who Were “Hidden Figures”
History is full of women who never got fair credit for their brilliant ideas, heroic deeds or extraordinary work, often due to prejudice, discrimination...
A Primer on Mother’s Day History and Traditions
Mother’s Day originated in 1907 in the United States when Anna Jarvis created a day to honor mothers. Learn how the day has evolved...
Advice for Using iPads in School
In recent years, the iPad has become an integral tool in the classroom. From interactive books to helping students with autism communicate better, iPads...
The True Meaning of Memorial Day
Today, Memorial Day is part of the three-day weekend each May that signals the beginning of summer, and is marked by beach trips and...















