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• ## Why does multiplying two negatives give you a positive?0

I found myself in a difficult situation the other day:  explaining the multiplication of two negative numbers to my 8 year old. Negative numbers are rather simple to illustrate when using temperature because there is a clearly visible “zero” Celsius and numbers on either side of it.  Living in Canada, we can see dramatic fluctuations

• ## World Statistics and Amazing Numbers0

With Earth Week quickly approaching, it’s important to note the impact the human race has on the planet, and to understand that our massive population affects so many different sectors. Worldometers.info is a fantastic site which updates, in real time, the data below. The information in the images below is copyright Worldometers.info, and is a

• ## How common is your birthday?0

Ever wondered how common your birthday is?  What do you think is the most popular month to be born?  What about the most popular day of the week?  Why? Courtesy of the CDC:  Vital Statistics of the United States – Volume 1, Natality (1994-2003), we can visualize it. By a slim margin, Tuesday is the

• ## The Birthday Paradox0

The Birthday Paradox is not a “paradox” in the true sense of the word. It’s more of an “astonishing realization” once people are presented with the proof. It asks: How many people are needed in a room before there is a 50% chance that two people share a birthday? The answer, surprisingly, is only 23.