Search

Search results

Displaying 401 - 410

Geometry: The Unit Circle and Trigonometry

The Unit Circle and TrigonometryGeometryThe Unit Circle and TrigonometryThe Tangent RatioThe Sine RatioThe Cosine RatioAnd the RestHow Does This Relate to the Unit Circle? Trigonometry is the…

The Periodic Table

See the interactive periodic table. Although some elements, such as gold and iron, have been known to humans since prehistoric times, it wasn't until the 17th century that the first scientific…

The Khmer Rouge

Who Was Who in the Khmer Rouge Beyond Pol Pot and Ta Mok by Borgna Brunner  In the two decades since the regime was toppled, not a single Khmer Rouge has been tried in a court of law.…

Etiquette Q & A

Etiquette Q & A We asked manners expert Jodi Smith of Mannersmith http://www.mannersmith.com/ General 1. What's your biggest pet peeve concerning manners? Not enough people use their…

The Power of Presidential Pardons

An explanation of the power to pardon granted to U.S. presidents by the Constitution by Mark Hughes President Gerald Ford testifying before the House Judicial Committee about his…

Mardi Gras

The feast before the fast by Holly Hartman and Chris Frantz   Millions of people every year crowd New Orleans to view the Mardi Gras parades.…

DK History: Polynesia

WHERE WERE POLYNESIANS FROM? WHY DID PEOPLE SET SAIL FOR POLYNESIA? HOW DID THE SETTLERS NAVIGATE? MAORISFIND OUT MOREPolynesia is a group of scattered islands in the vast Pacific Ocean. Around…