Mariana Lenharo
Life Sciences Reporter at Nature
Life sciences reporter @Nature | @ColumbiaJournMA alumna
Articles
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1 week ago |
nature.com | Mariana Lenharo
Shifting to a different research field can have negative consequences for a scientist, according to an analysis1. A team assessed millions of scientific papers and concluded that, when a scientist moves away from their original area of expertise, their publications receive fewer citations than their previous work. The larger the shift, the greater the effect — a phenomenon the authors of the study have named the ‘pivot penalty’.
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2 weeks ago |
nature.com | Mariana Lenharo
A new machine-learning tool can predict which individuals are at high risk for developing postpartum depression, an often-debilitating condition that affects 17% of people giving birth worldwide1. The tool could help to identify new parents who would benefit the most from preventive care. Postpartum depression causes intense feelings of sadness, anxiety or despair that can occur up to one year after having a baby.
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3 weeks ago |
pourlascience.fr | Mariana Lenharo
La science-fiction a longtemps entretenu l’idée d’une intelligence artificielle qui deviendrait consciente, l’une des plus célèbres illustrations étant HAL 9000 (CARL 500 en français), le superordinateur devenu « humanophobe » dans 2001 : l’Odyssée de l’espace, le film de Stanley Kubrick sorti en 1968. Avec les progrès rapides de l’intelligence artificielle (IA), cette possibilité devient de moins en moins fantaisiste et a même été reconnue à demi-mot par les leaders du domaine.
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4 weeks ago |
nature.com | Mariana Lenharo
An upgraded version of Google’s medical chatbot can use smartphone photos to diagnose rashes and can evaluate a host of other types of medical imagery — improving the bot’s ability to pinpoint the cause of ailments. An earlier version of the artificial-intelligence (AI) system outperformed physicians in diagnostic accuracy and bedside manner. The upgrade also did better than human doctors at interpreting images such as electrocardiograms and PDFs of laboratory results.
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1 month ago |
nature.com | Mariana Lenharo
Teenagers with mental-health conditions spend more time on social media than their peers — on average, 50 more minutes on a typical day. They are also more likely to be dissatisfied with aspects of the experience, such as their number of online friends, a survey of 3,340 adolescents in the United Kingdom has revealed.
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RT @Nature: How long until artificial general intelligence is achieved? https://t.co/1i8nqe9J4D
Two years after its release, ChatGPT has transformed how some scientists work. But concerns remain about how it can introduce inaccuracies into papers and facilitate plagiarism. My latest story for @Nature discusses the chatbot's impact on research. https://t.co/BgkHJHQhpT
Study reveals rising resistance to a vital malaria drug in severely ill children in Uganda, raising alarms among scientists. I covered this research, presented today at the @ASTMH meeting and published in @JAMA_current, for @Nature. https://t.co/4WWdWUKiTO