In what year did the Greeks invent chewing gum?

Answer Greeks began chewing a gum-like substance around the year 50 A.D. Unlike modern chewing gum, Greeks chewed a resin from the mastic tree that was hard to chew and quite bitter. What we think of as m... Read More »

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What year did IBM invent the PC?

IBM invented the PC (the IBM 5100) in 1973 and released it in 1975. The 5100 cost between $8,975 and $19,975 and weighed almost 50 pounds. In 1981, IBM released the IBM 5150. The IBM 5150 introduc... Read More »

Why is my Four year old chewing on her shirt all the time?

NO. Your dog may be a bit embarrassed, but he will get over it. Besides, earlier in the day your dog pulled a loaded diaper out of the garbage and woofed it down, so dog and baby are basically even.

What year was chewing gum initially manufactured?

The first mass production of chewing gum occurred in 1871. It was called Adams New York Chewing Gum. In 1893,The Wrigley Company introduced Juicy Fruit and Wrigley Spearmint chewing gum, which are ... Read More »

What year did they invent mammograms?

Although X-rays have been used for nearly a century to detect breast cancer, the film mammogram that we use today was invented in 1969. According to, "in a digital mammogram, X-rays are s... Read More »