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Video: The beauty of metal reaction
Metal reaction occurs when zinc is added to a salt solution of a less active metal.
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Video: Sweden launches the first self-propelled bus model
Electric buses, without drivers, can carry 12 passengers and reach a maximum speed of 20 km / h.
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Video: Discover the oldest modern fossil outside Africa
The 177,000-194,000-year-old jaw bone fragments reveal that modern people may have left Africa to other lands earlier than we thought.
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Video: Cold weather, broken egg has frozen for a few seconds
The Daily Mail reported that the video was shot in Huzhong District, Daxing City, Anling, Heilongjiang Province on January 21.
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Clip: Homemade aircraft of two rice fields in Binh Duong smoothly started
Through trial attempts, the propeller of this homemade aircraft is very quiet and stable.
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Angry mother elephants threaten lions to protect them
The mother elephant spotted the lion rushing towards the elephant and immediately turned to warn the predator.
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Video: Elephants naturally cross the border before the inability of the Chinese border
Security cameras in the West Songzhu District, Yunnan Province, China recorded an elephant crossing the border into Luang Namtha province, Laos, around 4.30 am on Januar…
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Video: Heroes of the moment when the warship nearly got swallowed by the
The video was posted on social media website Reddit this week, attracting hundreds of thousands of viewers.
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Video: Grasping the head of a animal with a bag on the top of the tree to swallow
A passerby named Greg recorded the huge mouth-to-mouth python to swallow the top of the bag, pulled the prey up high and wrapped it around, according to the Long Room.
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Video: Light streaks like alien objects appearing in the sky of America
The trail of light left by Falcon 9 in the sky makes people who witness it amazed and excited.
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Video: Japanese secret of producing 0.0001mm thin gold leaf
Kanazawa City of Japan is famous for its traditional craft gold leaf production, giving out gold leaf sheets of only 0.0001mm thin.
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Video: Meaning of different colors on fire hydrants
Different colors in fire hydrants can indicate the water supply capacity of the pillar and where the water source is supplied.
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Video: Blue snow covers Russian city, causing people to be confused
Many people were confused when waking up and witnessing a layer of blue snow covering the city of St Petersburg, the second largest city in Russia.
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Video: Lake fumes when it is cold in America
Dominic Ricci recorded the scene of white smoke covering Lake Superior in Duluth, Minnesota, USA, on December 26, the Herald Sun reported.
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Video: The boiling water froze when it was lifted high under the sky
Video footage of Amy Fogarty, a resident of Lake Superior in Duluth, Minnesota, USA, scooping a basin of water into the air in the middle of the cold attracted much atte…