Monday, December 13, 2010

Rules for Determining a Leap Year

Rules for Determining a Leap Year

  1. Most years that can be divided evenly by 4 are leap years.
    (For example, 2012 divided by 4 = 503: Leap year!)
  2. Exception: Century years are NOT leap years UNLESS they can be evenly divided by 400. (For example, 1700, 1800, and 1900 were not leap years, but 1600 and 2000, which are divisible by 400, were.)

Read more:

Decisive Battles of the Ancient World (History Channel)

A Quick History Lesson: Leap Year

A Quick History Lesson

The Egyptians were the first to come up with the idea of adding a leap day once every four years to keep the calendar in sync with the solar year. Later, the Romans adopted this solution for their calendar, and they became the first to designate February 29 as the leap day.

Read more: Leap Year 101 – Next, When, List, Days, Calendar, Years, Calculation, Last, Rules —

Wednesday, December 8, 2010

How to Create Your Own Printables

Why Dyslexic Brain Has Trouble Distinguishing Speech From Noise

Interesting article.
Most people have little trouble carrying on a conversation with a friend in a noisy restaurant thanks to the highly adaptive auditory system which manages to focus ....

Snap Circuits PRO SC-500
Snap Circuits Rock!

Pod Cast Dictionary of Everyday Words

For word lovers

Origins and Pronunciations of Modern Words

This is a map of the wheel-ruts of modern English. Etymologies are not definitions; they're explanations of what our words meant and how they sounded 600 or 2,000 years ago...

Ravensburger The Earth - 540 Piece puzzleball

A Great Series on Self- Sufficiency

The Pathfinder School in South East Ohio is dedicated to Wilderness Self Reliance and Survivability we believe that only through knowledge and understanding can the skills be OWNED that are the true mark of Self Reliance and Wilderness Living!

Gifty Time! A Great Fire Starter

With a single push, tinder placed in the end of the piston is spontaneously ignited by the heat of compression, ...

Monday, December 6, 2010

Classical Rhetoric 101: A Brief History

"Humans have studied and praised rhetoric since the early days of the written word. The Mesopotamians and Ancient Egyptians both valued the ability to speak with eloquence and wisdom. However, it wasn’t until the rise of Greek democracy that rhetoric became a high art that was studied and developed systematically." ....
A great series,  check it out!
Ravensburger Dinosaurs - 96 Piece puzzleball
96 piece Puzzle Ball