Airplanes have become an important means of transportation for people to travel. According to data from the International Civil Aviation Organization, before the epidemic, there were an average of more than 100,000 flights taking off and landing every day around the world, with more than 4 billion people traveling each year, and about 39 million …
Continue reading Are bigger planes safer? The higher you fly, the greater the risk? This “Black 10 Minutes” is about life and death…
Category:Sci. & Tech
Why does nature love hexagons?
Nature is ever-changing, and if you look closely, you’ll find hexagons in beehives, basalt, insect compound eyes, foam, snowflakes… Why does nature love hexagons so much? The magma from the volcanic eruption shrinks after cooling, creating cracks, which tend to be hexagonal, and finally form tightly packed hexagonal rocks, which are the most stable results …
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SOS! Rescue center, there are bears!
Asian black bears living in the wild can live up to 25 years without natural enemies or accidents, with a maximum of 33 years. However, due to human illegal hunting and captivity, some Asian black bears lost their freedom and life very early. When they are in prison, they meet people from the ambulance center …
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Why are women more prone to getting Alzheimer’s? Nature reveals the reason for the first time
According to the 2021 World Alzheimer’s Disease Report, more than 55 million people worldwide suffer from Alzheimer’s disease (commonly known as “senile dementia”). “Memory decline” is only an early symptom of dementia. As the disease develops, it will slowly deprive a person of his ability to take care of himself in life, “tamper” with his …
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The brain can “fill” but not “omnipotent”?
The human brain has always been one of the biggest puzzles in the scientific community. Recent studies have found that the plasticity and complementarity of the brain are amazing. Pianists have different brains Neuroscientists have noticed that professional pianists have a small bulge on the spine of the cortical motor area (the brain area that …
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Fly: Surprised?! I also understand advanced mathematics
A fly landed on the dining table next to Xiao Ming. He approached the fly slowly, intending to teach the fly that disturbed his meal a lesson he would never forget. At this time, he was less than an arm’s distance away from the fly. Just when he had the idea of moving, the fly flew …
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Good news for short people: low risk of colorectal cancer
Height is a pain point in many people’s hearts. Some even try various methods to grow a few centimeters taller. Recently, a Johns Hopkins University research team found that “short” is actually a health advantage – a lower risk of colorectal cancer or colorectal polyps. For every 10 cm taller, the risk of colorectal cancer increases by …
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Why do you get fat as soon as you eat, while some people don’t get fat anyway? After reading the truth “cry blind”!
Does smoking only damage your lungs? Big mistake! It will also endanger…
The smoke always gives the feeling of being in a fairyland, but if the smoke is from cigarettes, it is not wonderful at all We all know that smoking is harmful to health, but many people cannot refuse it. When you smoke, family members and friends around you may suffer more harm, especially children Research …
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AI is not as fair as we think?
Is AI testing necessarily fair? Most people’s answer to this question is likely to be yes. In 2018, American social media Facebook developed a new AI system codenamed Rosetta to detect hate speech on its social platform. However, two years later, researchers at the University of Southern California found that all AI language detection systems, …
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