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Jerrold Samford

Articles by Jerrold Samford

Celebrate "Pi" Day

On Tuesday, March 14 have a pizza – or maybe an apple “pie” to celebrate “Pi” day

3.14. “Pi”. The number π is the mathematical constant, representing the ratio of a circle's circumference to its diameter. It has been represented by the Greek letter “π” since the mid-18th century, though it is also sometimes spelled out as “Pi.”

The Color Of Leaves: Why They Change Their Clothes In The Autumn

Leaves in the spring and summer are mostly a pretty uniform green color. For that, you can thank the chemical compound known as chlorophyll. Chlorophyll is responsible for the process of photosynthesis, which takes sunlight and converts it into the sugars needed to sustain the tree. There are a variety of other chemical compounds, with characteristic colors other than green, always present in the leaves; however, the green chlorophyll dominates and masks your ability to see them.