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Klein Bottle: Why can't Earth's water fill this magical interdimensional device?
Water on Earth, one of the planet's most precious resources, seems to be inexhaustible.
Men
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Articles about Men
12,256 published items.
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What is the tidal phenomenon?
The phenomenon of tides, one of the most wonderful and familiar natural phenomena to humans, has been associated with our lives for thousands of years.
Flu epidemic
WHO issues new recommendations on wearing masks to protect against coronavirus
WHO recommends that people believe that wearing masks alone can prevent the acute pneumonia caused by the new corona virus is completely wrong. Let's see how to wear a m…
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How long does it take to fall in love with someone?
In life, we easily come across people who fall in love after just a few weeks of meeting, but there are also many cases where being together for months still cannot deve…
Environment
Strange phenomenon before earthquake kills 118 people in China
Two days before the 6.2-magnitude earthquake struck Jishishan, Gansu Province, many local residents captured images of a flock of black birds flying in strange circles.
Flu epidemic
Top 10 things doctors recommend for living with SARS-CoV-2
The SARS-CoV-2 virus evolves, mutates, and will remain with humans for a long time.
Biology
Strange wood with the ability to change color: Ranked among the world's top in hardness and durability, Vietnam also grows it
Thanks to its special properties, this type of wood is sold at a quite expensive price.
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Secret documents reveal 'unexplained' discovery about Egyptian pyramids
Secret documents of the Soviet Union's state security committee (KGB) revealed shocking discoveries inside the Great Pyramid.
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Experiment from America: Unexpected things about alien creatures
It is entirely possible that aliens came into being from these things.
Videos
Video: Fishermen caught a giant fish weighing 150kg on the Mekong River
Video captures the incredible moment a fisherman caught a giant catfish.
Archeology
Ancient Diaries Reveal the Construction of the Great Pyramid of Giza
A 4,500-year-old diary of a captain who helped build the Great Pyramid of Giza details the daily activities, wages and meals of his workers.
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Why are calico cats always female?
Typically, 2,999 out of 3,000 calico cats are female. Male calico cats are extremely rare, and are mutated...
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How rare are rare earths really?
The rare earth elements, a group of 17 metals, are relatively abundant in the Earth's crust but their extraction is extremely difficult.
Flu epidemic
Found the reason why AstraZeneca vaccine causes blood clots
Scientists have a new explanation for why adenovirus-based COVID-19 vaccines — like those from AstraZeneca and Johnson & Johnson — carry a risk of serious blood clots.
Flu epidemic
Experiment shows Covid virus can shrink tumors of 4 types of late-stage cancer
Based on that effect, scientists could design a safe treatment using benign viruses or a vaccine using the RNA of the COVID virus itself.