The Cold War marked a period of geopolitical conflict between the communist countries led by the Soviet Union and the Western democracies, including the United States. During World War II, the Soviet Union and the United States fought together against Nazi Germany, but they weren’t allies. In addition to nuclear […]
Hanna Hanna
144 posts
Most of us don’t know life without toilet paper. A typical American uses more than 100 rolls of toilet paper every year. Toilet paper is also called toilet tissue or bathroom tissue. It is a tissue that is mainly used for cleaning the anus and external genitalia after urination. It […]
Human evolution is a process that started with primates and has led to Homo sapiens. Humans differ from primates in that we have evolved bipedalism, dexterity, and complex language. Primates diverged from other mammals around 85 million years ago. Then primates evolved into different clades, and two of them were […]
Horses have appeared in Palaeolithic cave art from 30 000 B.C.E., but probably back then they were hunted for meat. The clearest evidence of horse use is from 2000 B.C.E. Then the horse was probably used for transportation. It is thought that horses were domesticated in the European Steppes about […]
The moon is Earth’s closest celestial neighbour. If you look into the night sky, then the moon is the brightest and closest object. The moon makes Earth a livable planet because it is affecting the Earth’s wobble on its axis, and therefore the climate is rather stable. The moon also […]
The sense is a biological system that the organism uses for sensing. It means gathering information about the world by identifying stimuli. Most commonly, we talk about five senses, like sight, smell, touch, taste, and hearing. And all these are used when we talk about animals, especially humans. Scientists have […]
The human brain is the central organ of the human nervous system. Together with the spinal cord, it belongs to the central nervous system. In the central nervous system, grey and white matter can be distinguished. The grey matter is mainly composed of the bodies of nerve cells, while the […]
Ants belong to a family called the Formicidae. Ants are eusocial incests, which means they live in highly organized social groups like bees and wasps. Scientists have described around 13,800 species. Ants are easily described by their elbowed antennae and their slender waists. Ants live in colonies, the size can […]
Flamingos are wading bird, and they belong in the family Phoenicopteridae. In the flamingo family there are six different species of them, and you can find them in South and North America, Asia, Africa, and also in southern Europe. Two species are native to Afro-Eurasia.The flamingos were first recognized by […]
A quote is a copy of someone’s words. So, it means if you use someone else’s words, then you also have to refer by whom they were said. Quotes are usually used to draw attention to your own words and to make them more reliable. It gives your words more […]