Approximately 183 million years ago, a significant volcanic activity in modern South Africa led to the release of around 20,500 gigatons of carbon dioxide (CO2) into the ocean-atmosphere system within a span of 300 to 500 thousand years. This event, known as the Toarcian Oceanic Anoxic Event (T-OAE), resulted in a lack of oxygen, or
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Boeing’s Starliner capsule has been facing technical issues recently, resulting in helium leaks and problems with thrusters. Due to these challenges, NASA has decided to delay the return date of the International Space Station (ISS) astronauts who are currently on board the capsule. This delay is not due to an urgent need for supplies on
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Hydrocarbazole is a compound that plays a crucial role in organic chemistry, acting as a fundamental building block for various biologically active compounds. These compounds include pesticides like strychnine and important anticancer drugs such as vinblastine and minovincine. Due to the significance of these compounds, the development of synthesis methods for hydrocarbazole compounds has become
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Astrophysicists have long speculated about the existence of “kugelblitze,” black holes caused by extreme concentrations of light. However, a new study by researchers at the University of Waterloo and Universidad Complutense de Madrid challenges this theory. According to their research, titled “No black holes from light,” published on the arXiv preprint server, kugelblitze are impossible
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The aftermath of a SARS-CoV-2 infection can vary greatly from person to person. While some individuals experience only mild symptoms, others are faced with long-lasting effects that persist for months on end. A recent study conducted by experts across the US delved into the records of 4,708 US adults who had been infected with SARS-CoV-2
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