In research conducted by Madigan et al. (2019), involving 2,441 children aged 24, 36, and 60 months (50.2 percent boys and 49.8 percent girls), the study reported that “[a]pproximately 98% of US ...
Back in ancient China, keeping secrets safe wasn’t just about fancy codes; hiding messages was just as important. People used all sorts of creative tricks to get sensitive information past enemies.
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