The Gen 3 Oura Smart Ring was one of the smartest smart rings available, and the Ring 4 greatly improves on its flaws. One of the key improvements in the Ring 4 is the increased comfort. The raised ...

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Although suitable for chemical modifications in the presence of cultured cells, ketone (and aldehyde) condensations are somewhat limited in the context of living organisms. The pH optimum of these ...

At 11.8 ounces, the 105 AER are a bit heavier than competing open-ear cans, but their clamping force compensates for it with just the right amount of squeeze. It keeps the earcups where you place them ...

Background: This study aimed to explore the association between serum amino acids (AAs) levels and bone mineral density (BMD). Methods: We performed a two-sample Mendelian randomization (MR) analysis ...

A cooker hood is a long-term investment for your kitchen, so you'll want one that performs well and looks great. Our Best Buy recommendations and expert buying advice can help. Some models we've ...