Trivia
In our daily life, we often encounter some interesting and wonderful phenomena, but we know very little about the principles and scientific explanations behind these phenomena. Today, let's uncover these trivia in life and take a look at these five interesting trivia you may not know!1.The fox has an equal tail and body length?Have you ever wondered why a fox's tail and body length are the same?In fact, the fox's tail is a very important tool for life.
It helps the fox maintain balance, strengthens stability when jumping, and can be used to cover the body and keep warm during the cold winter.
2.Why do stars twinkle?
Whenever we look up at the starry sky, we see that the stars seem to be constantly twinkling.
This is due to refraction and scattering effects in the atmosphere. As light passes through the atmosphere, it undergoes multiple reflections and refractions, causing small fluctuations in the light of the stars we observe, causing the flickering effect.
3.Why does the moon have clouds and sunshine?
We often observe that the shape of the moon is constantly changing, sometimes disc-shaped, sometimes curved. This is due to the different positions of the moon's orbit around the Earth.
When the Moon is between the Earth and the Sun, we see the far side of the Moon, thus revealing the Crescent Moon;And when the Moon is on the same side of the Earth and the Sun, we are able to see most of the surface of the Moon, giving the appearance of a Full Moon.
4.Why is sea water salty?
Have you ever wondered why the sea is salty?This is because the rivers on Earth carry various substances dissolved in water into the sea, and the salt substances in them gradually accumulate, causing the salinity of the sea water to increase.
In addition, some microorganisms and marine animals in the ocean also release some chemicals that further increase the salinity of the seawater.
5.Why do we close our eyes when we sneeze?
Whenever we feel something irritate our nasal passages, we involuntarily sneeze, accompanied by a reaction of closing our eyes.
It's an instinctive reflex action that when the nose is stimulated, the brain quickly sends instructions to the eyelid muscles, causing the eye to close lightning to protect the eye from irritants.
6.The correct posture for peeling bananas
Most people choose to peel bananas from the top, but what you may not know is that it's actually more convenient to peel from the bottom.
Why?Because there is no fibrous tissue at the bottom of a banana, peeling it from the bottom avoids damaging the internal structure of the banana. Try peeling from the bottom and you'll see that peeling becomes a breeze!
7.Tips to improve the quality of your sleep
A good night's sleep is very important for our health, but did you know?
When you're ready to fall asleep, placing a soccer ball or basketball under the covers can help you fall asleep faster.
This is because the spheres are able to provide a subtle pressure that makes you feel like you're being wrapped, which calms the mind and body and promotes deep sleep.
8.The correct way to wash fruits and vegetables
We all know that washing fruits and vegetables is important, but did you know that washing with water alone may not be thorough?
To ensure the removal of bacterial and pesticide residues from the surface of fruits and vegetables, we recommend using vinegar water for scrubbing. After mixing water and white vinegar in a ratio of 1:1, soak fruits and vegetables in it for 5-10 minutes, and then rinse with water.
This ensures food safety and hygiene.
9.How can you tell if an egg is fresh?
When buying eggs, we are often faced with a difficult choice: how to buy fresh eggs?
Actually, a little trick can help you. Put the egg in a bowl of salted water, if the egg floats on the water, it is not very fresh;If the egg is submerged in water, it is still fresh;If the egg is suspended in water, it means that it is moderately fresh.
This simple method can help you buy better eggs.
10.Exercise methods to stay focused
When studying Xi work, it is very important to maintain concentration. But prolonged concentrations can be tiring.
At this point, you can try eye movement relaxation. Close your eyes and use your fingers to move slowly from left to right, following the movement of your fingers while taking a deep breath to relax.
This simple workout can restore your focus and boost productivity.
I hope the above popular science content can bring some fresh and interesting experience and inspiration to your life. I believe that these trivia will give you a place among your friends and make life more fun. Come and share it with your friends!(Pay attention to share more different life trivia for everyone every day!)）