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The world’s richest man visits space – level 2
27-07-2021 07:00
Last week, Jeff Bezos, the founder of Amazon, visited...Spacecraft photographs Mars – level 3
09-10-2014 15:00
India’s first spacecraft to visit Mars has beamed home...Breastfeeding experiment – level 3
08-08-2023 15:00
A video shows a social experiment created to see...Breastfeeding experiment – level 2
08-08-2023 15:00
People created a social experiment to see how others...8 billion people in world – level 3
18-11-2022 15:00
This week, the world population reached 8 billion. China...