Quails are found all over the world and each has their own distinctive appearance. Their adorable appearance and behavior are also very...

Acid rain has been cited as an environmental problem since the 1970s. Acid rain is caused by nitrogen oxides and sulfur oxides contained...

Due to the high water pressure in the deep sea, it is difficult for many organisms to survive. Especially in the deep sea where the water...

The deep-sea is dark, cold, and ultra-high pressure. Therefore, the deep-sea is a very difficult environment for all creature to survive....