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Science News for May 11, 2024


Evolutionary history shapes variation of wood density

A comprehensive global dataset shows that phylogeny plays a crucial role in shaping wood density patterns. Wood density varies significantly among different biomes and climatic zones, with higher values found in drier regions. Phylogenetic signal explains 84.3% of total variation, while environmental factors account for only 2.7%.

SourceKeAi Communications Co., Ltd.·JournalPlant Diversity·TypeMeta-analysis·DateMay 11, 2024

Asking adults living with obesity if they were normal weight, plumper, or thinner during childhood could help determine their mortality risk

A UK Biobank study suggests that adults living with obesity who were underweight or average weight in childhood may be at increased risk of all-cause mortality. The study found that adult men and women who reported being thinner as children had higher mortality risks, with a 63% and 60% increase respectively.