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16th July 2017
12:52pm BST

During the normal events, the parents were advised to remain calm and collected but during the absurd events researchers instructed them to laugh hysterically.
The study found that nearly all of the babies laughed just because their parents were laughing too.
However, the research found that while babies rely on their parents to decipher what is funny and what is not during the first 12 months of their lives, it was found that by their first birthday, the babies laughed at the absurd events even without their parent’s approval.
Whatever the case, a laughing baby is definitely one of life's great pleasures. Is there any sweeter sound?!