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Methane and the world´s temperature – level 3

25-08-2021 07:00

Although carbon dioxide from burning fossil fuels is the...

People throw away food – level 3

14-04-2021 15:00

According to the United Nations Environment Program, some 931...

NASA Makes Ventilator – level 2

01-05-2020 15:00

NASA made a new type of a ventilator for...

NASA Makes Ventilator – level 3

01-05-2020 15:00

NASA has developed and successfully tested a new high-pressure...