Solar cells are made for sunshine, hence the name. As is known, the energy yield drops quickly on cloudy days and sharply to zero at night. For homes that are not connected to the electricity grid, this often means switching on an expensive battery that has to be discharged after a relatively short time. In … Read more
Our immune system is essential for life. It defends our body against the influences of bacteria, viruses, and other foreign bodies that enter from the outside. But it can also harm our bodies. The immune system is heavily involved in diseases such as gout, rheumatism, inflammatory bowel disease, or circular hair loss. Researchers have now … Read more
The German shrimp fishermen are also currently suffering from the high fuel prices. It is true that their marine diesel is largely exempt from taxes and customs duties. Nevertheless, the price has recently increased from around sixty cents to more than 1.50 euros. The fuel alone consumes about half of the turnover. Many shrimp fishermen … Read more
Liver cancer is still considered a relatively rare form of cancer in Germany. However, the number of cases is increasing. Particularly insidious: most diseases are only recognized at a late stage. Then there is hardly any chance of recovery with the current treatment methods. An experiment at the University of Michigan may now offer some … Read more
The American space agency NASA recently presented plans for planetary defense against asteroid impacts. Now the Chinese space agency China National Space Administration CNSA is following suit. The plans include an early warning system and the development of appropriate countermeasures. Protection against celestial bodies As the deputy head of the CNSA, Yanhua Wu, explained on … Read more
New insulating material for building walls stores 24 times more heat than concrete or plaster. It was developed by researchers at Martin Luther University Halle-Wittenberg (MLU). It is a phase change material. When the sun shines, it absorbs heat so that it does not get into the wall and eventually into the interior. It becomes … Read more
It will be a long time before humanity completely moves away from fossil fuels. While the road has been long gone, progress is too slow as there are still many dependencies to be overcome. The transformation process is cost-intensive, leads to a loss of wealth and challenges us to make uncomfortable behavioral changes. That is … Read more
Lithium-ion batteries are relatively easy to process yet offer high performance. That is why they are used in more and more devices. However, there is one drawback: if they overheat, it can lead to a fire. The Samsung group experienced this in 2016 with its alleged flagship phone, the Galaxy Note 7: because the batteries … Read more
Of course, a healthy life without sugar also means avoiding sweeteners. It has long been suspected that aspartame and sucralose do not only have beneficial properties: previous studies indicate that both are involved in the development of diabetes and obesity. Nevertheless, the substances remain popular, thanks to their enormous sweetening power, which goes hand in … Read more
While it’s no secret that Arctic sea ice is steadily declining, sea ice supplies on the other side of the world, in Antarctica, are much more stable. This year, however, the amount of ice covering the sea in Antarctica has fallen to an all-time low since records began in the late 1970s. Drastic decline in … Read more