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EntertainmentMost creatures on Earth disappeared 2 billion years ago
Experts analyze rock samples in Hudson Bay and find that the number of organisms on Earth has dropped sharply due to the change in oxygen.Detection of 2.5-billion-year-old fossil microbes live without oxygen
Life on Earth survived thanks to oxygen, but surprisingly a few billion years ago, when oxygen had not yet appeared, there were germs of bacteria living.
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Why are there no male queen bees?
The mystery of the 'doomsday' cinema, built in the desert but not a single person has visited for more than 30 years
Mystery of dozens of giant circular structures at the bottom of Lake Michigan
US ship becomes world's largest artificial reef
Wreckage of mysterious missing bomber found after 80 years
Surprised to know the identity of the Russian missile debris 'hunter'
Australia releases chemical composition data of nearly 1 million stars
NASA shuts down plasma device to save spacecraft 20.5 billion kilometers away
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