All the black robins in the world today, numbering around 250, are fractal emissaries of her genes — a winged reminder that immensities of harm can be undone by a single act of tenacious tenderness.
In a study published on Thursday in the journal Science, a team of researchers report that men with a lot of Neanderthal ancestry and women with a lot of modern human ancestry had a strong preference to mate with each other. However it played out, the preference was intense.
1mo ago
Underscored — save the words that stop you in your tracks.
