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EntertainmentThe untold story of the sperm race: Stupid, comfortable, not as much as possible
Average each timeObesity affects the ability to conceive
According to an analysis from the US National Institutes of Health, obese couples halved their ability to conceive compared to those of normal weight.
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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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