Trivia you don't know in life
1.The origin of coffee.
Coffee actually originated in Ethiopia, Africa, when Ethiopian shepherds discovered that sheep became unusually active after eating a bush fruit, so people began to roast this fruit and boil it in water, which is the earliest coffee.
2.The construction of a banana.
Bananas don't actually have seeds because they reproduce their offspring by means of asexual reproduction. And, if you look closely at the cross-section of the banana, you'll see that it resembles a full moon in shape.
3.Radiation from mobile phones.
In fact, the radiation emitted by mobile phones is non-ionizing radiation and does not cause much harm to the human body. In contrast, the ultraviolet radiation that we are exposed to on a daily basis from the sun is even more of concern.
4.Types of potatoes.
According to statistics, there are more than 2,000 varieties of potatoes in the world, and they all differ in color, shape and taste. For example, purple potatoes are not only antioxidant but also rich in anthocyanins;Red potatoes, on the other hand, are rich in vitamin C and potassium.
5.Shark breathing.
Sharks breathe through their gills, not through their lungs. This means that sharks have to swim constantly to keep breathing, which is why sharks keep opening and closing their mouths as they swim.
6.The importance of sleep.
Sleep not only helps restore bodily functions, boost immunity and memory, but also helps us regulate our mood and reduce stress. Therefore, maintaining good sleep habits is very important for our physical and mental health.
7.The Dance of the Bees.
Bees are industrious insects, but do you know how bees communicate?In fact, bees tell their companions that they have nectar by doing a "swing dance". When the bee finds the nectar, it returns to the hive and dances a swing dance, indicating the location and distance of the nectar by the direction and angle of the dance. This dance has become an important means for scientists to study the behavior of bees.