lifespan
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Nanotechnology
Progress of light to electrical energy conversion: a new method extends the lifespan of plasmonic hot holes
(a) the manufacturing process of au nanomesh, (b) the microscopic image of au nanomesh, (c) the light absorption spectra of au nanomesh-p-type gan substrate. Credit: Science Advances (2025). doi:10.1126/sciadv.adu0086 When light interacts with metal nanostructures, it instantly generates plasmonic hot carriers that act as key intermediates for converting optical energy into high value energy sources such as electrical and chemical…
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Biology
Biologists have found that early life adversity can also affect the health and lifespan of marmots.
Credit: CC0 Public Domain Exposure to adversity early in life can have permanent effects on health, even if circumstances improve dramatically later on. Scientists use the Cumulative Adversity Index (CAI), which quantifies hardships such as poverty and stress, to understand an individual’s health and longevity over their lifetime. This helps governments, health care providers and families identify concrete measures they…
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