In December, 2019, it was already clear to China that SARS-CoV-2, the virus responsible for COVID-19, could be transmitted between humans. This was even documented in a study published in The ...

MR. GALTON has raised under this heading a most important point—or, rather, a series of most important points—in the problem of evolution. Perhaps I maybe permitted to say a few words with ...

NO numerical estimate appears to have been made of the frequency with which different grades of prepotency are distributed. Breeders are familiar with the fact that certain animals are peculiarly ...