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Video: The threat of blue algae blooms in the rivers and lakes
US authorities are forced to warn people after discovering some lakes and rivers with green algae that contain dangerous toxins.
Water
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Video: Dragon taps appeared in Tibet after half a century
For the first time in more than 50 years,
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Video: The world's largest firefighting aircraft, Boeing 737
China has successfully built and tested the world's largest firefighter, approximately the size of a Boeing 737 and 37m long.
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The power of the world's largest water gun
A former NASA engineer built the world's largest water gun, able to fire a jet of water at 437 km / h.
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Video: See the horizontal vertical surface of the unique 'immortal' creature on Earth
Through many experiments with different natural or artificial environments, scientists have concluded that
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Video: ISS recorded a rare auroral male phenomenon
The International Space Station reverts back to the unimaginable male phenomenon when flying to the South Pacific waters.
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Video: How to make a helicopter so simple
Helicopter, helicopter (Helicopter) is no longer a strange concept for everyone. But the construction of mini helicopters at home is not everyone knows how to do.
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Video: How dangerous will the dialysis water be?
The water source is not guaranteed to be super-pure, which can easily cause complications for patients during hemodialysis.
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Video: A miserable astronaut squeezes a wet towel on a space station
Although the astronaut squeezed hard, the water refused to leave the towel in a gravityless environment on the International Space Station (ISS).
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Video: Snake is about to die of thirst in the desert near people asking for water
The moment a dying snake thirstily gulps down a sip of water given by a kind person through a cylinder in the arid desert in Saudi Arabia, causing a fever on social netw…
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Video: Red dragon nozzle sweeps the Mexican townspeople thought to be the end of the world
The red dragon hose swept across a town in Mexico, frightening many locals.
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Video: Giant water vortex appears on the island of Greece
The strong sea breeze creates a giant whirlpool on the coast of Kassiopi village resort on the island of Corfu, Greece.
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Video: The 24km river in Canada disappears in just 4 days
The Slims River is 24km long, 150m wide and 3m deep through Canada during the past 300 years suddenly disappeared after only 4 days, this is the first time recorded in 1…
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Video: Rescue the eleven elephants stuck in mud holes in Cambodia
11-year-old elephants stuck 4 days in a deep mud hole were saved successfully by Cambodian people and authorities.
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Maybe the ancient Egyptians used this method to build pyramids
After making a hypothesis about how Egyptians built pyramids, construction company boss Chris Massey and his son did demonstration experiments.