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Weapons Against Hurricanes – level 3
03-09-2019 07:00
Since the 1950s, people have wondered if nuclear weapons...Conversion Therapy in USA – level 3
05-06-2019 07:00
The governor of the American state of Colorado signed...Drones in the USA – level 3
01-05-2019 15:00
In the USA, the Federal Aviation Administration (which is...Plastics in the Black Sea – level 3
20-08-2018 07:00
The Black Sea is located between Eastern Europe, the...Airbus’ Solar Drone – level 3
24-07-2018 07:00
Airbus opened a production facility for its solar-powered unmanned...Saving Rhinos – level 3
06-07-2018 07:00
People banned international trade in rhino horn since 1977,...