2. The world’s oldest piece of chewing gum is over 9,000 years old
The world’s oldest piece of chewing gum was discovered in Finland and is believed to be over 9,000 years old.
The gum was made from birch bark tar and was used by ancient people as a type of dental floss.
Scientists were able to study the gum and extract DNA from it, which helped them learn more about the diet and lifestyle of these ancient people.
This discovery is significant because it is the first time DNA has been successfully extracted from such an old piece of chewing gum.
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