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EntertainmentMysteriously strange 2.8 billion-year-old orbs
The spheres found in South Africa's mining fields could be artifacts of a highly prehistoric civilization.Ancient people built batteries 2,000 years ago
The Baghdad battery, built 2,000 years ago, is capable of generating electricity greater than one volt.
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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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