Human beings need a certain amount of food each day to supply them with energy. Almost all foods can supply some energy, but carbohydrates give

There is always a constant search for new sources of energy. The Sun gives out vast amounts of energy, of which only a tiny fraction

Ultraviolet (UV) radiation is a type of energy produced by the sun and some artificial sources, such as arc welders and solariums. The sun’s UV

About four percent of the population is left-handed. In the course of history, many of the greatest geniuses have also been left-handed. Leonardo da Vinci

Most plants and animals have popular names that can vary from place to place. So a name needed to be given that would be recognized

WHY does a log not sink in water? The secret of this phenomenon is that the density of a tree is less than that of

WHY does the Eiffel Tower grow 15 centimeters in summer? It’s all about temperature compensators. Thanks to them, steel can expand and contract without being

WHY doesn’t food burn in oil? When frying in a pan without oil, the food only gets hot at the bottom and the top is

WHY do men and women hear sounds differently? Women hear high-pitched sounds better than men. They are also better at recognizing changes in tone than

Despite the seeming paradox of this statement, the pineapple does get sweeter if you salt it. As everyone knows, it is rich in various vitamins

WHY do babies have 70 more bones than adults? New-borns tend to have about 270 bones, most of which are tiny. This makes the skeleton

WHY are Japanese suicide bombers called kamikazes? The Mongol khan Kublai twice planned an invasion of Japan, and both times he was prevented by violent