Unprecedented optical clock network lays groundwork for redefining the second
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Updates every hour. Last Updated: 9-Dec-2025 20:11 ET (10-Dec-2025 01:11 GMT/UTC)
University of Missouri study challenges assumptions about biodiversity near Earth’s first reef systems.
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Completely or largely avoiding meat and other animal products has become perfectly normal for a growing number of people in Germany. The reasons for this trend are varied and numerous. Ethical concerns such as animal welfare, climate protection, and environmental impact often play a central role. But many also hope to improve their health. “Eating an almost entirely plant-based diet can have health benefits,” says Professor Cornelia Weikert in the latest episode of “Risiko,” the science podcast from the German Federal Institute for Risk Assessment (BfR). However, cutting out meat doesn’t automatically make a diet healthy. “Even plant-based diets can be very unbalanced — for example, if they rely heavily on foods that are high in sugar, salt, or fat but low in essential vitamins and trace elements”.
A new study led by Prof. Jiandong Feng, Zhejiang University, reported a novel quantum-patch-clamp probe based on manipulating intracellular single quantum sensors to measure the local multi-physical field in real-time and in situ, offering new insights into intracellular dynamics.
Researchers from Fujita Health University have found that chronic hyponatremia (CHN), a condition of prolonged low blood sodium, induces anxiety-like behaviors in mice. CHN disrupts serotonin and dopamine levels and reduces extracellular signal-regulated kinase phosphorylation in the amygdala, a key brain region for emotion. These changes are reversible with sodium level correction. The findings suggest that CHN directly affects brain function and support early diagnosis and treatment to improve mental well-being in affected individuals.