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North Korea’s biggest rocket – level 1
05-12-2022 07:00
On November 18, 2022, North Korea tests a rocket....A smart plaster – level 1
23-11-2022 15:00
Three Polish students invent a smart plaster. The plaster...A smart plaster – level 2
23-11-2022 15:00
Three students from a university in Warsaw, Poland, invented...8 billion people in world – level 3
18-11-2022 15:00
This week, the world population reached 8 billion. China...Chemicals in Blood – level 1
01-11-2022 15:00
People use sunscreens to protect their skin from the...
