Scientists explain why Gangnam Style has become a global phenomenon
The spread of diseases always follows a fairly fixed pattern. It broke out at a fixed time and space, and then spread out like a wave coming from the source.
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180 published items.
The spread of diseases always follows a fairly fixed pattern. It broke out at a fixed time and space, and then spread out like a wave coming from the source.
I can't believe such a monster is our ancestor.
Biting on the tongue hurts. But miserable that some people are constantly breaking the same position, making them just want to go crazy.
Condoms are needed even when having oral sex but you need to be aware of the expiration date, otherwise it will lead to rashes, skin irritation.
Why can the same person drink 15, 20 beers, but fall down after drinking a few cups of small beer?
Kissing others can result from mild illnesses such as oral herpes to more serious problems such as viral or mumps meningitis.
The first 1-month medication to control fleas and blood collection in dogs and cats is bringing great promise in trials.
Most people think that the smile on the faces of other people is the most appealing, arranged on both eyes, hair or body, a recent survey in the US shows that.
There is no need to follow a doctor's prescription, mouthwash disinfectants have the effect of eliminating bad breath.
According to the oral story of people in the vicinity of South Carolina,
Doctor shrimp is a diligent invertebrate that specializes in eating parasites and dead skin on fish, helping them to be healthy and also getting a full meal.
The discovery of the use of toothpicks for this ancient human oral hygiene was published by Swiss scientists.
Otzi tapes were finally examined for the first time in more than 5 millennia, and according to the dentist's conclusion, this prehistoric patient was omnivorous.
Researchers are investigating the effects of oral contraceptives on the physiological cycle of female astronauts on long-term missions like Mars.
The astronaut has an anal acupressure, washing the sealed area with saffron flowers; while female technicians drink mercury as common contraceptive methods of Chinese fe…