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Why we fall for scams, and the new is bad for the planet: Books in brief
Breathe Sadiq Khan Hutchinson Heinemann (2023) In 2014, two years before Sadiq Khan ran for mayor of London, he ran in the London Marathon. Afterwards, he developed asthma — probably from breathing polluted air while training. This disturbing experience energized him, as mayor, to tackle pollution by launching an Ultra Low Emission Zone (ULEZ) in…
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Application of intelligent pacifying strategy information system in reducing short-duration MRI sedation rate in children
Abstract Exploring and analyzing the effectiveness of an intelligent pacifying strategy information system based on assisted decision-making in reducing the sedation rate of children in short-duration magnetic resonance scans. A total of 125 children aged 3–5 years who underwent MRI scans at a children’s hospital from July to December 2021 participated in this study, during which…
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Starfish Are Heads—Just Heads
The unusual five-axis symmetry of sea stars such as Patiria miniata has long confounded our understanding of animal evolution. Credit: Laurent Formery Advertisement <div class="article-block article-text" data-behavior="newsletter_promo dfp_article_rendering" data-dfp-adword="Advertisement" data-newsletterpromo_article-text=" Sign up for Scientific American’s free newsletters. ” data-newsletterpromo_article-image=”https://static.scientificamerican.com/sciam/cache/file/4641809D-B8F1-41A3-9E5A87C21ADB2FD8_source.png” data-newsletterpromo_article-button-text=”Sign Up” data-newsletterpromo_article-button-link=”https://www.scientificamerican.com/page/newsletter-sign-up/?origincode=2018_sciam_ArticlePromo_NewsletterSignUp” name=”articleBody” itemprop=”articleBody”> At first glance, starfish seem to be all limbs, with five appendages…
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Nature’s Take: How will ChatGPT and generative AI transform research?
Download this episode of Nature’s Take In the past year, generative AIs have been taking the world by storm. ChatGPT, Bard, DALL-E and more, are changing the nature of how content is produced. In science, they could help transform and streamline publishing. However, they also come with plenty of risks. In this episode of Nature‘s…
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Small signal modulation of photonic crystal surface emitting lasers
Abstract We report the small-signal characterization of a PCSEL device, extracting damping factors and modulation efficiencies, and demonstrating -3 dB modulation bandwidths of up to 4.26 GHz. Based on modelling we show that, by reducing the device width and improving the active region design for high-speed modulation, direct modulation frequencies in excess of 50 GHz are achievable. Introduction…
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Bacteria tag tumours for CAR-T cell attack
RESEARCH HIGHLIGHT 03 November 2023 M. Teresa Villanueva M. Teresa Villanueva .readcube-buybox { display: none !important;} Chimeric antigen receptor (CAR)-T cell therapy has proven very efficacious for certain types of blood cancers, but treatment of solid tumours remains a challenge. This is partly because of the heterogeneous and unspecific expression of tumour-associated antigens (TAA) in…
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Art and science: close cousins or polar opposites?
Your browser does not support the audio element. Download MP3 See transcript In the first episode of this six-part Working Scientist podcast series, Julie Gould explores the history of science and art, and asks researchers and artists to define what the two terms mean to them. Like science, art is a way of asking questions…
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My path to heading a biotech company
Shadi Farhangrazi brings her experience at the bench, her business training and involvement in international research projects to her post as chief executive of a biotechnology start-up firm.Credit: Marianne Brickner Neuroscientist and biochemist Shadi Farhangrazi is the chief executive of S. M. Discovery Group (SMDG), a biotechnology company based in Durham, UK. Farhangrazi co-founded SMDG…
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Advances in X-ray crystallography unveil nature’s tiniest secrets
November 2, 2023 A powerful research technique is enabling scientists to peer into the heart of the biological realm with astonishing acuity. Known as serial femtosecond X-ray crystallography, the method is expanding the reach of investigations into how biological molecules interact, yielding insights into the nature of disease and guiding the development of new, smart…
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Rain & Shine: The Science of Nature
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