Not the thirties. It was the early 1950s. Rosalind Franklin's classic x-ray diffraction photos. You may be thinking of protein alpha-helices? Astbury at Leeds in the 1930s? Single in alpha, or t… (View Post)

Trowth, Caesar, whyles they're fasht enough: A cotter howkin in a sheugh, Wi dirty stanes biggin a dyke, Baring a quarry, an sic like; Himself, a wife, he thus sustains, A smytrie o wee duddie w… (View Post)

He is at least rational in his political philosophy. (View Post)

Canines are teeth. Canids are dogs. (View Post)

And one of us pointed out recently the ground floor one is for the case where someone can't get up the stairs, either permanently or temporarily. (View Post)