A black hole awakens and why some people avoid Covid: the week in science
Jun 20, 2024
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This podcast covers a range of intriguing topics, including a black hole awakening, a new blood test for early Parkinson's detection, and how some individuals evade Covid infection. It also delves into immune responses to Covid, AI technology for Parkinson's diagnosis, and the collaboration between British and Chinese scientists.
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Quick takeaways
Strong immune response in mucosal cells in the nose may help some individuals resist severe COVID-19 infections.
Blood test combined with AI can detect Parkinson's disease up to 7 years before symptoms show, aiding early diagnosis.
Deep dives
Understanding Immune Response to COVID-19
A recent human challenge study investigated why some individuals are more resistant to COVID-19 infections. By intentionally exposing volunteers to COVID-19 in the nose, researchers observed a variation in immune responses among participants. Those who didn't develop severe infections exhibited a stronger and quicker immune response in mucosal cells in the nose, acting as the primary defense against the virus.
Early Detection of Parkinson's Disease
Researchers have developed a blood test combined with artificial intelligence that can detect Parkinson's disease up to seven years before symptoms appear. By analyzing specific proteins in the blood, a unique pattern indicative of Parkinson's disease was identified. This early diagnostic tool opens the possibility of identifying at-risk individuals for potential clinical trials and interventions.
Ethical Concerns in Scientific Collaborations
Growing concerns surround British academic partnerships with Chinese state-linked entities, especially when related to defense technologies. Imperial College London's venture with a Chinese state-owned company for marine AI applications raised ethical debates. Scrutiny over scientific collaborations has led to increased regulations and scrutiny on collaborations with potentially hostile states, impacting collaborative research activities and international academic exchanges.
Ian Sample and science correspondent Hannah Devlin discuss some of the science stories that have made headlines this week, from a glimpse of a black hole awakening, to a new blood test that can detect Parkinson’s seven years before symptoms appear, and a study exploring how some people manage to avoid Covid infection. Help support our independent journalism at theguardian.com/sciencepod
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