Abstract: A terahertz refractive index sensor constructed with graphene metamaterial absorber has been proposed. The sensor features a patterned graphene structure, consisting of an independent ...

Body mass index, or BMI for short, is a measure of body weight based on your height. For decades, BMI has been a way to measure whether someone is at a healthy weight. In general, people are ...

Abstract: We presented a highly sensitive refractive index (RI) sensor based on a spiral long-period fiber grating (SLPG), which was inscribed near the core region of a single-mode fiber (SMF) by a ...

1. What data is held in the Nature Index? The Nature Index database captures all affiliation information of primary research articles published within 145 natural-science and health-science journals ...

Maintaining healthy eyes goes beyond just having good eyesight. Hidden risks, from prolonged screen exposure to lifestyle habits, can silently damage your vision over time. Dr. Saumya Sharma, Senior ...

Well-constructed portfolio of investment-grade bonds. Our research team assigns Silver ratings to strategies that they have a high conviction will outperform the relevant index, or most peers, over a ...

From virtual check-ups to AI-powered diagnostics, technology is quietly reshaping how underserved families access healthcare. The real question is — how far can these tools go in closing the care gap?

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Understanding Fiber Optic Technology At its heart, fiber optic technology is a marvel of physics and engineering.

The inflation rate in Germany is expected to be +2.4% in September 2025. The inflation rate is measured as the change in the consumer price index (CPI) compared with the same month a year earlier.