Our ability to see starts with the light-sensitive photoreceptor cells in our eyes. A specific region of the retina, termed fovea, is responsible for sharp vision. Here, the color-sensitive cone photoreceptors allow us to detect even the smallest details. The density of these cells varies from person to person. Additionally, when we fixate on an object, our eyes make subtle, continuous movements, which also differ between individuals. Researchers have now investigated how sharp vision is linked to these tiny eye movements and the mosaic of cones. Using high-resolution imaging and micro-psychophysics, they demonstrated that eye movements are finely tuned to provide optimal sampling by the cones.
Read more …Subtle eye movements optimize vision

A study developed a new technique to accurately analyse the properties of cancer cells and the surrounding tissue at the level of individual cells. This innovation enables a more comprehensive assessment of prognoses and treatment responses in the head and neck cancers, and paves the way for more accurate diagnostics.
Read more …New imaging analysis technique revolutionizes diagnostics of head and neck cancers

A new study has now found that more than half -- 56% -- of the heat-related deaths in the summer of 2022 were related to human-induced climate change. According to the research, 38,154 of the 68,593 heat-related deaths in the summer of 2022 would likely not have occurred without anthropogenic warming.
Read more …More than half of European heat-related deaths in summer 2022 attributed to anthropogenic warming

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