SpaceX can't launch its giant rocket again until fixes are made, FAA says
SpaceX must take a series of steps before it can launch its mega rocket again after its debut ended in an explosion, federal regulators said Friday.
SpaceX must take a series of steps before it can launch its mega rocket again after its debut ended in an explosion, federal regulators said Friday.
Space Exploration
Sep 8, 2023
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78
Scientists need a better understanding of the chemistry of radium to be able to target the isotope radium-223 (Ra-223) to cancer cells. Once delivered, Ra-223 can destroy those cells with alpha particles, a type of radiation.
Analytical Chemistry
Sep 7, 2023
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1
Busy writing texts, programming software or developing logos, crowdworkers have emerged as a small but growing part of the modern labor market. Task-oriented freelancers offer their services on online platforms. They usually ...
Economics & Business
Sep 5, 2023
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32
Not all of the material around us is stable. Some materials may undergo radioactive decay to form more stable isotopes. Scientists have now observed a new decay mode for the first time. In this decay, a lighter form of oxygen, ...
General Physics
Sep 4, 2023
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335
The phenomenon of decentralization has been one of the hottest topics in public policy and public administration for decades.
Economics & Business
Sep 1, 2023
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9
Myocardial infarction, the number one cause of sudden death in adults and the number two cause of death in Korea, is a deadly disease with an initial mortality rate of 30%, and about 5%–10% of patients die even if they ...
Bio & Medicine
Aug 25, 2023
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25
Bacteria whirl around in the mouths of most people, forming dental plaques and sometimes causing nasty gum infections. Treponema denticola might be a dangerous pathogen, but not much is known about this bacterium. It was ...
Cell & Microbiology
Aug 25, 2023
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7
This week, the Russian space agency Roscosmos had hoped to return to the moon after an absence of nearly 50 years. Instead, on Saturday it lost control of its Luna-25 lander. The agency explained the spacecraft "switched ...
Space Exploration
Aug 23, 2023
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12
Misinformation pervades U.S. politics.
Political science
Aug 15, 2023
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1
When you shell out for artisanal food—Swiss Gruyère cheese, organic vanilla extract, Italian prosciutto—do you get what you paid for? With global food fraud estimates as high as $40 billion a year, it's a question Purdue ...
Molecular & Computational biology
Aug 2, 2023
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