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Medicine 2026-03-13

Stressed songbirds carry the evidence in their gut bacteria

A study of free-living Northern cardinals found that even mild stressors like brief captivity or simulated territorial encounters leave detectable marks on gut microbiome composition, with bacterial shifts tracking closely to changes in stress hormones and visible health indicators.
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Technology 2026-03-13

Gallium oxide grown on cheap silicon wafers for the first time

A Nagoya University team has achieved the first heteroepitaxial growth of gallium oxide on silicon substrates, paired with five other advances in thin-film growth that collectively address the full process stack needed to commercialize this promising power semiconductor material.
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Medicine 2026-03-12

Told it will hurt? Your brain makes sure it does

When participants were told others found an experience very painful, they rated the same low-intensity heat as more painful themselves. The effect persisted because of confirmation bias in learning - people favor evidence matching their expectations and discount the rest.
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