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A research team led by Nanjing University has introduced a transparent, colorless, and unidirectional solar concentrator that can be directly coated onto standard window glass. Utilizing cholesteric liquid crystal (CLC) multilayers with submicron lateral periodicities, this diffractive-type solar concentrator (CUSC) selectively guides sunlight toward the edge of the window where photovoltaic cells are installed. The…

The seas have long sustained human life, but a new UC Santa Barbara study shows that rising climate and human pressures are pushing the oceans toward a dangerous threshold. Vast and powerful, the oceans can seem limitless in their abundance and impervious to disturbances. For millennia, humans have supported their lives, livelihoods and lifestyles with…

Male “ghost sharks” — eerie deep-sea fish known as chimaeras that are related to sharks and rays — have a strange rod jutting from their foreheads, studded with sharp, retractable teeth. New research reveals these are not merely lookalikes, but real rows of teeth that grow outside the mouth. What’s more, the toothy appendage is…

The possible galaxy in an image from the James Webb Space Telescope NASA, ESA, CSA, CEERS, G. Gandolfi Astronomers might have discovered a galaxy that formed extremely early in the universe, nearly 200 million years before its closest competitor, but they caution there could be other explanations too. Giovanni Gandolfi at the University of Padua…

An artist’s impression of a pterodactyl hatchling struggling against a tropical storm Rudolf Hima Baby pterodactyls apparently flew within days of hatching – but some broke their wings in rough storms that sent them crashing into a lagoon where they drowned. Very young pterodactyls had wing structures similar to adults, with the power and aerodynamic…