What is the harm of drinking too much coffee?

Many people like to drink coffee, a cup for breakfast, a cup for work, a cup for dinner, a cup for friends gathering… In fact, netizens ask, does drinking too much coffee affect the body? The main substance of coffee is caffeine. After a cup of coffee, caffeine will be quickly absorbed by the stomach and intestines into the bloodstream, and then reach all parts of the body, excite the nerve substances to be released, and then the body will…

The first person to fall from space

He knew that he would fall from space to the ground and die, but he still performed the mission. As a result, he was buried in a sea of ​​flames. What kind of mission was this dangerous mission? Today we talk about the first person to fall from space: Vladimir Komarov. Komarov was born in Moscow on March 16, 1927. He showed his fascination with aviation and airplanes as a child. At the age of 15, joined the Soviet Air…

How to cook and eat eggs healthier?

eggs

Eggs are rich in cholesterol and nutritious. An egg weighs about 50 grams, contains 6-7 grams of protein and 5-6 grams of fat. The amino acid ratio of egg protein is very suitable for the physiological needs of the human body and is easily absorbed by the body. The utilization rate is as high as 98%, and the nutritional value is high. It is one of the foods commonly eaten by humans. Eggs are rich in various essential nutrients Each…

Alibaba’s electric car

We have seen solar-powered electric bicycles before, but their design usually has some strict pedaling requirements. Even the low power of the large panel means that the rider usually still needs to provide some important leg assistance. Alibaba’s electric car But this huge electric bicycle — uh, tricycle — has a huge canopy with five 120-watt solar panels with a total power of 600 watts. It solves the panel size problem by wearing them as hats instead of dragging them…