Health
Top 9 ways to prevent yellow teeth when drinking coffee
For many people, coffee is an indispensable drink every day. But drinking too much coffee puts you at risk of trading your bright white teeth due to its ability to cause…
Stain
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Articles about Stain
92 published items.
Biology
Strange mosquito helps police solve a complicated case, the culprit's identity is surprising!
A seemingly harmless mosquito became an important witness, helping Finnish police track down the suspect in a mysterious car theft.
Scientific application
10 interesting tips to make your life lighter
Here are 10 daily tips that can make your life simpler, more creative and interesting, let's explore.
Health
Unknown human body part discovered: 'Tunnel' in the brain
Research just published in the journal Nature Neurosience has discovered tunnel-like structures connecting the human skull and meninges, as well as its unexpected functi…
Archeology
Strange blood stains on the 1,000-year-old gold mask
The ancient mask placed on the skull uses human blood, contributing to expressing the tomb owner's wish for rebirth.
Environment
The heartbreaking truth behind the image of the arctic river dyed red like blood
This blood-stained river is essentially an extremely serious environmental accident.
Space science
The giant red stain on Jupiter is about to disappear
Astronomers say the giant storm on Jupiter, famous for the name 'Big Red', is gradually melting over time.
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10 useful uses of cola may not know
The main use of Coca cola is still refreshing, but it is also a great way to clean things around your home.
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Why is it when the coffee is dry, the stain is colored in light, in addition to bold?
Pouring coffee, wine, ... on cloth, paperwork is definitely not fun. If the stain sticks to the clothing, it can be faded by washing, but it may be dead to the paper.
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Why do our teeth turn yellow?
While celebrities and models possess pure white teeth, many are not.
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The culprit causes the skin to become discolored when exposed to sunlight
The more you interact with the sun, the more your body produces melanin, melanin that helps fight ultraviolet rays and darkens skin.
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Who went to school without ever getting stuck in the hand - it's hard to clean every time, why?
Let's go find the reason why when they get stuck in the ink, they wash it a little bit clean, while the other solution is not so hard.
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Blood stains on the mysterious 83-year-old leaf on the death of the Belgian king
The blood on the leaves collected in the field 83 years ago ended the controversy surrounding the death of Belgian King Albert I in the Alps.
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Do you know how to use baking soda properly?
Baking soda is becoming more and more popular and familiar to our consumers, but not everyone knows how to exert their full potential.
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Quick tips for fixing clothes and accessories
Stains on clothes or accessories will no longer be difficult for you with the following techniques. Simple but equally effective, let's apply immediately.