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NASA Makes Ventilator – level 1
01-05-2020 15:00
People in NASA build a new ventilator. NASA builds...NASA Makes Ventilator – level 3
01-05-2020 15:00
NASA has developed and successfully tested a new high-pressure...Dangerous Insect – level 2
29-01-2020 15:00
Countries in East Africa are experiencing an invasion of...Microsoft and US Government – level 3
01-11-2019 15:00
Technology companies Amazon, Google, IBM, Oracle, and Microsoft competed...The World’s Oxygen – level 2
09-09-2019 15:00
People are worried about the world’s oxygen because many...