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A simple resident of the American state of Pennsylvania, Chris Reynolds never imagined that he could become the wealthiest man on the planet; however, only for a few hours. Then, one day, Reynolds, selling auto parts online, checked his PayPal balance and was surprised that he had a "tidy" sum of $92,233,720,368,547,800, or 92 quadrillions and a bit.
Probably each of us has been in a situation where, looking at a person yawning, we opened our mouths. Scientists have proven that about half of adults want to yawn after someone else yawns because of a universal phenomenon called "yawn contagion." By yawning, we reflexively saturate the blood in our body with the necessary amount of oxygen, renew oxygen in the lungs, and relieve fatigue and stress.
For centuries, teachers have tried to convince their students that success in life is closely linked to academic achievement, but not everyone believes it. And in some ways, they were right. Because history knows many examples of when "D" students have reached incredible achievements. We invite you to get acquainted with those great people who drove their parents almost to despair with their lack of enthusiasm and normal grades at school.
Sneezing is nothing more than a protective reaction of the body. But have you ever wondered why we sneeze? How does sneezing occur, and what does the body protect itself from?
Touchscreens are integral to our modern technological life, from smartphones to tablets, from ATMs to self-service restaurants. They provide convenient and intuitive interfaces to interact with devices, allowing us to control the world of digital technology in a single touch. But when and where was the first touchscreen developed?
