Thursday, July 3, 2025

This sun-powered sponge pulls drinking water straight from the ocean

In a leap toward sustainable desalination, researchers have created a solar-powered sponge-like aerogel that turns seawater into drinkable water using just sunlight and a plastic cover. Unlike previous materials, this new 3D-printed aerogel maintains its efficiency at larger sizes, solving a key scalability issue. In outdoor tests, it produced clean water directly from the ocean without any electricity, pointing to a future of low-cost, energy-free freshwater production.

from Top Health News -- ScienceDaily https://ift.tt/0uzVgyR

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Your “um” and pauses could reveal early dementia risk

The little pauses, “ums,” and moments when you struggle to find the right word may reveal far more about your brain than anyone realized. Re...