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A scorpion of the species Tityus serrulatus carries its offspring on its back, where they remain until they develop greater mobility and a more rigid exoskeleton, enabling them to hunt and defend themselves. This species reproduces by parthenogenesis - a form of reproduction where embryos develop directly from an egg with no need for fertilization - and is responsible for the most severe envenomation cases in Brazil. Credit: Eliane Candiani Arantes

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Published on 08 May 2025

Silent scorpion-sting epidemic in Brazil driven by urbanization and climate change

Prof Eliane Candiani Arantes and Prof Manuela Berto Pucca are co-authors of a newly published Frontiers in Public Health article that focuses on the rising number of scorpion stings straining Brazil’s public health system. In this latest Frontier Scientist installment, they talk about their research and careers.

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Published on 30 Apr 2025

Deepfakes now come with a realistic heartbeat, making them harder to unmask

Current algorithms for the detection of deepfakes increasingly rely on remote pulse reading to distinguish them from genuine videos of people. Here, scientists show for the first time that the most recent deepfakes feature a global pulse rate which appears realistic. This worrying development makes it necessary for deepfake detectors to become more powerful, for example, by focusing on local variations in blood flow within the face.

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