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Girl stops a kidnapper – level 3
31-05-2021 07:00
In Florida, US, Jared Paul Stanga attempted to kidnap...Dogs help stop the coronavirus – level 3
28-05-2021 07:00
A study showed that dogs are able to detect...How to mine Bitcoin – level 1
27-05-2021 07:00
Bitcoin is digital money. One person can send bitcoin...How to mine Bitcoin – level 2
27-05-2021 07:00
Bitcoin is a digital currency without a central bank....How to mine Bitcoin – level 3
27-05-2021 07:00
Bitcoin is a digital currency without a central bank...