Life is full of amazing things, some of which we may never have imagined, and others we may only have a vague understanding of. Below are 10 little-known facts that might broaden your horizons and increase your knowledge.

1. Do you know what the world's longest pregnancy record is? It's said to be one year and ten days, almost 100 days longer than a normal pregnancy. This mother must have had a truly remarkable journey.

2. Did you know that apples are more effective at stimulating than coffee? This is because apples are rich in sugars, vitamins, trace elements, water-soluble dietary fiber, and organic acids, and also have a natural, pleasant aroma that can relieve stress and refresh the mind.

3. Did you know that cola was originally green? Cola was originally a herbal juice, and it was only after caramel coloring was added that it became a brownish-red beverage.

4. Did you know that pure honey will never spoil? This is because pure honey has extremely strong antibacterial properties and very low water content, which makes it impossible for bacteria and yeast to survive. If stored for a long time, the honey will only saccharify.

5. Did you know that ketchup was a medicine in the 19th century? This is because ketchup can effectively lower the level of low-density lipoprotein cholesterol in the human body, thereby reducing the risk of stroke and heart disease.

6. Did you know that the phrase "quick brown fox jumps over the lazy dog" can use all 26 letters of the alphabet? This phrase was originally a short sentence that typewriter repairmen used to summarize in order to check whether the typewriter's print was clear.

7. Did you know that if you toss a coin 1000 times, it will land heads up 495 times, not 500? This is because the patterns on the front and back of the coin are different, so the weight distribution on each side is not the same.

8. Did you know that roses picked in the afternoon last longer than those picked in the morning? This is because roses picked in the afternoon have been exposed to sunlight all day, resulting in a low CO2 concentration in the plant and a neutral or slightly alkaline environment. Under these conditions, roses are less prone to rotting, and pigments such as anthocyanins are less likely to be destroyed.

9. Did you know that wearing earplugs for an hour can increase the number of bacteria in your ear by 700? This is because when you wear earplugs, air cannot circulate in your ear, and the temperature inside the ear rises sharply.

10. Did you know that eating polar bear liver can lead to death shortly afterward? This is because polar bear liver contains a large amount of vitamin A, which the human body cannot tolerate ingesting in such a large quantity in a short period. Excessive vitamin A can cause severe poisoning symptoms such as headaches, nausea, vomiting, hair loss, and liver damage, and may even lead to death.