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ふと思い立って，ドラッグストアやスーパーマーケットのポイントカードの類でスマホアプリ版のあるものをスマホアプリ版に移行してみた…

“Exploring correlations in genetic and cultural variation across language families in northeast Asia”(Science Advances), Culture evolves in ways that are analogous to, but distinct from, genomes. (snip) Our results suggest that grammar might be a cultural indicator of population history while also demonstrating differences among cultural and genetic relationships that highlight the complex nature of human history.