Robert Macfarlaneさんのイラストまとめ

"We are a Venn diagram come to life": fascinating @aeonmag essay on the vexing problem of individuality in biology.
https://t.co/zczSj078jr

A brilliant @andrea_wulf essay on the synthesis of "scientific rigor" & "poetic wonder" in Thoreau's Journals.
https://t.co/Nk6NXd3IVZ

Caspar David Friedrich's iconic Wanderer Above A Sea of Fog turns 200 next year. Fascinatingly influential. What photographs/images echo it?

For solstice: "Midnight Sun" by Eric Ravilious, painted in June 1940 when he was deployed as a War Artist to Norway.
Photo © Tate

Word of the day: "barchan" - a crescent-shaped dune, steepest on its lee-slope slip-face (cf parabolic dunes, star-dunes & transverse dunes)