Science story
Why is ultraviolet light used to kill bacteria?
For decades, germ-killing UV rays have been used to disinfect various objects and surfaces.
Science story
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Articles & explainers
1,294 published items in this category and its subcategories.
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Discover a special kitchen that is both cheap and 'clean'
From the frigid mountain ranges of Europe to the humid forests of Central Asia or the arid regions of Africa, millions of people are cooking with special stoves.
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Recording the brain waves of the dead for the first time, revealing the terrible truth
Life' can actually flash before your eyes when you die, is what some researchers are looking to prove, after detecting the brain waves of a dying person.
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What is social extinction?
Social extinction is the disappearance of species from our collective memory and attention.
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Detecting a new HIV strain, infected people can turn to AIDS after only 2-3 years
A team of researchers at the University of Oxford, UK, recently discovered a new highly virulent HIV strain (named VB) that has 'hidden'
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Off the coast of New Zealand, the Earth is swallowing its own ocean
A young subduction zone off the coast of New Zealand has helped scientists explain the mystery of how one tectonic plate can break through the Earth's hard rock crust an…
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The Mystery of Stephen Hawking's Scribbled Blackboard
Dedicating his life to finding answers to the universe's most difficult questions, 'physics legend' Stephen Hawking has left a mystery of his own right in his old office…
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What happens when the plane makes an emergency landing?
What happens when the plane makes an emergency landing? At this time, the plane may tilt, or drop suddenly, some passengers can smell smoke, the captain announces via th…
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Astronauts have diarrhea, flying stools in spacecraft and things NASA has never told
You may not know, astronauts' feces will be released into the atmosphere and they will burn like meteors.
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Studying the lake near the epicenter of the mysterious explosion 113 years ago
Russian researchers plan to dive about 30 meters deep to explore Lake Cheko, which is believed to be the impact crater of a meteorite.
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Build an Olympic village, dig an 800-year-old palace full of treasures
The Olympic Village for athletes participating in the 2022 Winter Olympics under construction in Hebei - China has had to be relocated due to encountering an overwhelmin…
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Strange purple dye 'more expensive than gold' from sea snails
A Tunisian history enthusiast has tried to recreate making dye from sea snails that was once only used by members of the ancient royal family, the elite.
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Earth Weighing Experiment
In June 1798, the English chemist and physicist Henry Cavendish successfully calculated the mass of the Earth through the experiment measuring the constant of gravity (G…
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Amazing facts about nuclear weapons
The early stages of nuclear weapons development were marked by an arms race between the United States and the Soviet Union.
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A simple invention that can save the lives of many sea creatures accidentally caught in nets
American ecologists have found a new way to reduce turtles, sharks and squid getting entangled in fishing nets.