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Amazing meteor shower in China – level 1
04-05-2015 07:00
Every April, dust from a comet comes near earth....Amazing meteor shower in China – level 2
04-05-2015 07:00
The Lyrid meteor shower happens every year in late...Amazing meteor shower in China – level 3
04-05-2015 07:00
This beautiful time-lapse footage is the annual Lyrid meteor...Radiation at a children’s park – level 3
28-04-2015 07:00
High levels of radiation have been discovered in a...Costa Rica uses clean energy – level 1
01-04-2015 15:00
Clean energy is important to Costa Rica. It has...Costa Rica uses clean energy – level 2
01-04-2015 15:00
Clean energy is so important to Costa Rica that...Costa Rica uses clean energy – level 3
01-04-2015 15:00
Could it be the cleanest country in the world?...