As a teenager I hitch-hiked around free rock concerts, wearing flowered shirts and denim flares – jeans that were worn so much, in such rough conditions, and with so little attention to washing and care that after a while they became naturally abraded and frayed in just the manner that is simulated by commerce today.

Lack of clarity on the part of the teacher will cause confusion among the students.

Gypsophilas are easily grown from seeds.

In October 1956 the Academy of Sciences held a session that legitimated cybernetics, which had been denounced by Stalinist science and propaganda as a pseudodiscipline.