Who Was Queen Elizabeth II? Queen Elizabeth II became queen on February 6, 1952, and was crowned on June 2, 1953. She was the mother of Prince Charles, heir to the throne, as well as the grandmother of Princes William and Harry. As the... Continue Reading →
What are those red filaments in the sky? They are a rarely seen form of lightning confirmed only about 35 years ago: red sprites. Research has shown that following a powerful positive cloud-to-ground lightning strike, red sprites may start as 100-meter balls of ionized air that shoot down from about 80-km... Continue Reading →
A new Tel Aviv University study rejects assertions, according to which the origin of the COVID-19 outbreak is in bats. According to the study, bats have a highly effective immune system that enables them to deal relatively easily with viruses... Continue Reading →
Excitons are quasiparticles that are formed in insulators or semiconductors when an electron is promoted to a higher energy band, leaving a positively charged hole behind. At the presence of strong Coulomb interaction, electrons and holes (vacancies left by electron... Continue Reading →
Frans Snyders , artist who was the most-noted 17th-century painter of animals. His subjects included still life of markets and pantries (featuring both live animals and dead game), animals in combat, and hunting scenes. A highly skilled painter who was... Continue Reading →
A person’s blood type may be linked to their risk of having an early stroke, according to a new meta-analysis led by University of Maryland School of Medicine (UMSOM) researchers. Findings were published in the journal Neurology. The meta-analysis included all available data... Continue Reading →
Fans of our fair planet might recognize the outlines of these cosmic clouds. On the left, bright emission outlined by dark, obscuring dust lanes seems to trace a continental shape, lending the popular name North America Nebula to the emission region cataloged as NGC... Continue Reading →
The nervous system takes in sensory stimuli, processes them and triggers reactions such as muscle movements or pain sensations. A few years ago, a network in the brain was identified that is coupled with signals from the stomach and presumably... Continue Reading →
Near the center of a nearby star-forming region lies a massive cluster containing some of the largest and hottest stars known. Collectively known as star cluster NGC 2070, these stars are part of the vast Tarantula Nebula and were captured in two kinds... Continue Reading →
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