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Plasma is a type of ionized gas consisting of a mix of positively and negatively charged particles. It is the fourth state of matter, after solids, liquids and gases. Plasma is found throughout the universe in stars and gas clouds and makes up most of the visible matter in the universe. Plasma is used in a variety of industrial and scientific applications, including welding, plasma cutting, plasma etching and plasma displays. It can also be used to create fusion energy, which is necessary to sustain life on Earth. Plasma is a powerful tool for studying the behavior of matter in extreme conditions. Scientists use plasmas to study astrophysical phenomena, nuclear fusion, and the properties of materials. Plasma is also being explored for use in medical treatments, such as plasma therapy for cancer and other diseases. In this section, we have gathered news, articles and videos about plasma from around the world, including the latest developments in plasma research and applications.
Toxoplasmosis is an infectious disease found worldwide, caused by the single-celled parasite Toxoplasma gondii. In humans, infection poses a particular risk to pregnant women, as it can lead to birth defects. Like the closely related malaria pathogen—Plasmodium falciparum—and other related species, T. gondii possesses special organelles, so-called rhoptries and micronemes, for infecting the host cell.
A recent solar flare unleashed a massive plasma plume from the sun's south pole, where these stellar eruptions rarely happen. The unusual phenomenon is a sign of the impending solar maximum.
The higher risk of a composite end point of myocardial infarction, stroke, or death among patients carrying micro-nanoplastics (MNPs) in carotid artery plaques, compared with subjects showing no evidence of MNPs in the aforementioned atheromatous lesions, is of relevant concern (1).
A gigantic plasma eruption from the sun's hidden far side recently launched a sizable coronal mass ejection that slammed into Mercury, potentially triggering invisible X-ray auroras around the planet's rocky surface.