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May loc when students go to school: King chan and others, high-level king of Science - TechnologyMale students invented sleep-resting machines for drivers
Wishing to limit traffic accidents due to the driver falling asleep, Nguyen Ngoc Duc (Quang Xuong, Thanh Hoa) invented a warning device with many practical values.
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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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