The hammerhead sharks are a group of sharks that form the family Sphyrnidae, so named for the unusual and distinctive structure of their heads, which are flattened and laterally extended into a "hammer" shape called a cephalofoil. Most hammerhead species are placed in the genus Sphyrna, while the winghead shark is placed in its own genus, Eusphyra. Many different, but not necessarily mutually exclusive, functions have been postulated for the cephalofoil, including sensory reception,...

Poison dart frog (also known as dart-poison frog, poison frog or formerly known as poison arrow frog) is the common name of a group of frogs in the family Dendrobatidae which are native to tropical Central and South America. These species are diurnal and often have brightly colored bodies. This bright coloration is correlated with the toxicity of the species, making them aposematic. Some species of the family Dendrobatidae exhibit extremely bright coloration along with high toxicity, while...

The site for expats InterNations interviewed about 15 thousand people who left their home country. They ranked the new place of residence for a variety of environmental factors, including air quality, the government's attitude to climate change, and measures to recycle and dispose of waste. Based on these factors, a rating of the 10 most environmentally friendly countries was compiled. 10. Luxembourg According to the American expat, the ability to go hiking and cycling in nature is one of...

Environment What does that mean? The environment is what is around you and how it affects your development. Scientifically speaking, the environment is a complex of physical, geographical, biological, social, cultural and political conditions surrounding a person or other living organism that determines the form and nature of his existence. The environment affects people's lives and the development of society as a whole. As a consequence, people, progress, development and the environment...

Climate change is one of the most serious challenges facing humanity. To a large extent, it is due to carbon dioxide emissions due to the use of fossil fuels. Reducing and ultimately ending CO2 emissions is a huge effort on the part of governments, industry and citizens, as well as their concerted work to reduce our dependence on fossil fuels and transition to low-carbon energy sources such as renewable energy and nuclear energy. Nuclear power generation accounts for roughly 10 percent of...