Videos
Video: The culprit makes the aircraft jump
Air turbulence causes the aircraft to vibrate when flying, but this phenomenon often does not cause disturbing consequences.
Videos
Watch videos about science, nature, animals, engineering, technology and unusual events, with explanations that add context to what you see.
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Articles & explainers
1,667 published items in this category and its subcategories.
Videos
Video: The shopping store does not have a checkout counter in the US
Amazon's smart shopping store helps shoppers not wait in line for payment.
Videos
Video: Explain three Newton's laws by bike
Three laws of Newton's motion can explain why humans cannot pedal a vehicle weighing several tons.
Videos
Video: The scenery on the ocean floor if the water is dry
The National Oceanic and Atmospheric Administration simulates the ocean floor under data collected from satellites and boats.
Videos
Video: US Defense Secretary sees Indonesian soldiers drinking solid blood
Indonesia yesterday held an event at the armed forces headquarters, Jakarta, to welcome US Defense Secretary James Mattis.
Videos
Video: The beauty of metal reaction
Metal reaction occurs when zinc is added to a salt solution of a less active metal.
Videos
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.
Videos
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.
Videos
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.
Videos
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.
Videos
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.
Videos
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…
Videos
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.
Videos
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.
Videos
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.