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Entertainment13 great facts no one taught us at school
Knowledge is endless, and time for school is limited. There will be things if you are not curious to find out, you will never know.10 animations make mathematical concepts no longer difficult to understand
After watching the math tips below, you will probably want to solve math problems immediately.14 unique animations that help you learn interesting things
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Can carp live 10 years in a tank without feeding?
Why do Italy and Switzerland have to redraw the border?
Japanese bullet train accident-free for 60 years
The world's most crowded apartment building: Can accommodate up to 30,000 people, the view inside is overwhelming
World's oldest wine jar contains cremated human bones
America catches strange signal from 1.3 billion light years away from Earth
Two black holes closest to Earth discovered, of a kind never seen before
Solar sails help spacecraft reach Mars in 26 days
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