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Oxygen on Mars – level 3
08-09-2022 07:00
Scientists say that people can possibly produce oxygen on...The sound of a black hole – level 3
01-09-2022 07:00
NASA released an audio clip of a black hole’s...South Koreans Start to Like Cheese – level 3
29-08-2022 15:00
South Koreans traditionally eat most meals with a generous...Many people on Machu Picchu – level 2
19-08-2022 07:00
Machu Picchu is an ancient Incan city in Peru,...Many people on Machu Picchu – level 3
19-08-2022 07:00
Tour operators are creating chaos as they overcrowd and...Self-driving cars on US streets – level 2
08-08-2022 07:00
In 2016, American company Waymo started to test its...Self-driving cars on US streets – level 3
08-08-2022 07:00
Fully automated self-driving cars are no longer the imagination...Ships with grain leave Ukraine – level 2
05-08-2022 07:00
When Russia attacked Ukraine five months ago, Russia blocked...Ships with grain leave Ukraine – level 3
05-08-2022 07:00
After months of a blockade, Ukraine has finally begun...