Category: syn·op·sis beta

Welcome to syn·op·sis beta, the section of the site dedicated to iSci student authors. To get writing, click on the “+New – Post” icon in the upper right. Otherwise, feel free to read, comment, and polish the work of other students.

  • How pregnancy test technology was used to identify egg-laying Tyrannosaurus rex

    For decades, scientists have found it nearly impossible to distinguish male and female dinosaur fossils. Sexual dimorphism describes how two sexes of a species differ in physical traits (Ralls and Mesnick 2009). Though sexual dimorphism has been claimed in non-avian, extinct dinosaurs, the hypothesis lacked concrete evidence (Saitta et al. 2020; Canoville et al. 2021;…

  • Skin Pigmentation Bias in Pulse Oximetry Measurements

    Skin Pigmentation Bias in Pulse Oximetry Measurements

    Pulse oximeters have revolutionized modern medicine, enabling continuous, accurate, and non-invasive monitoring of functional oxygen saturation of hemoglobin (SpO₂) (Chan et al. 2013). Taken as a fifth vital sign, the device’s use is routine in emergency care, general ward, intermediate/intensive care unit, the operating room, and in general practices (Bosch et al. 2024). However, with…