The history of yoga can be traced back to 2500 BCE. It started as a part of spiritual practise and now is a popular form of exercise.
There are several animals that are able to tolerate extremely cold temperatures. Arctic foxes can survive temperatures as low as -70 degrees Celcius.
Among mammals there are animals that can tolerate even 55 degrees Celsius. There are also some creatures that can even survive boiling.
Why do people feel cold at different temperatures? Or why do some people tolerate the heat better than others?
Cacti are the most drought resistant plants. Their structure helps them to accumullate big qualtities of water for future use.
We don’t like to touch cacti because of their spines but they help them to accumulate water and protect cacti from being eaten by animals.
Camels are special animals. They can survive months without drinking water. They can do it thanks to their large hump.
In our mouth are are good and bad bacteria. It is important to maintain a healthy balance of oral bacteria.
Bad breath can be cause by bacteria in your mouth, bad oral hygene, medical conditions, wrong food or smoking. Learn how to cure it.
Dental cavities happen to humans and animals. They are caused by bacteria in our mouth and the wrong diet can also increase the problem.