Science

HELSINKI — China’s human spaceflight agency has selected two proposals to develop spacecraft for low-cost space station resupply missions, echoing earlier moves by NASA. The China Manned Space Engineering Office (CMSEO) opened a call last year for proposals for low-cost cargo transportation systems to serve the Tiangong space station. Four proposals from 10 submissions were
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Plans to pave the Trans-Amazonian highway in Brazil could accelerate deforestation Photo by DeAgostini/Getty Images Deforestation has pushed the Amazon to the very edge of a tipping point that would see it become a net source of CO2 and accelerate climate change, according to research using new technologies to map carbon emissions in the rainforest
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Proteins on the outside of influenza A viruses are key to breaching our bodies’ mucus barriers Kateryna Kon/Science Photo Library Before viruses can infect cells, they must first get to them, often by traversing layers of the body’s protective mucus. Understanding how evolution optimised the influenza A virus for this slimy task could help us
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WASHINGTON — Chile and Cyprus are the latest nations to sign the Artemis Accords for sustainable space exploration, part of surge of new signatories this month. At a ceremony at NASA Headquarters Oct. 25, Aisén Etcheverry, Chile’s minister of science, technology, knowledge and innovation, signed the Accords on the behalf of that country. The ceremony was
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WASHINGTON — A member of the Crew-8 mission hospitalized for an unspecified medical issue after splashdown has been released after an overnight stay, NASA said Oct. 26. In a statement, NASA said the astronaut, whose identify has not been disclosed, was released from Ascension Sacred Heart Pensacola hospital after an overnight stay. “The crew member
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WASHINGTON — NASA Administrator Bill Nelson said he is concerned about reports that Elon Musk, chief executive of SpaceX, has had discussions with Russian President Vladimir Putin. Nelson’s comments, made at Semafor’s World Economy Summit Oct. 25, represent his strongest public criticism to date of the owner of the company that NASA relies upon for
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Scams can fool AI models Wong Yu Liang/Getty Images The large language models (LLMs) that power chatbots are increasingly being used in attempts to scam humans – but they are susceptible to being scammed themselves. Udari Madhushani Sehwag at JP Morgan AI Research and her colleagues peppered three models behind popular chatbots – OpenAI’s GPT-3.5
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