Wildly conflicting global energy estimates for data centers have long blocked reliable low-carbon planning, with 2020 power use figures varying sixfold. This new research in Engineering breaks down flaws in two mainstream calculation methods, introduces AI load recognition for unregistered server hubs, and calls for standardized grid-linked energy registration. It also reveals untapped temporal and spatial load flexibility of AI computing facilities to balance renewable power supplies, offering actionable technical and policy fixes for clearer data center energy governance.

PCOS is a common endocrine disorder in women of reproductive age, imposing substantial health and economic burdens worldwide. In a recent large-scale study involving more than 14 million pregnant women across Chinese Mainland, researchers explored how the prevalence of PCOS has increased since the implementation of the universal two-child policy. The article discusses how pregnant women with PCOS face higher risks of various adverse maternal and neonatal outcomes, highlighting the need for targeted obstetric management.