The popular science. This is what the fruit of plants. When picked leaves and fruit of milky liquid will flow. Leaves a bit like fleece-flower root. Friend accidentally lick bite, the tip of the tongue is a little hemp.
on May 14
shows a whole range of cultural and temporal icons - the ink well, oil lamp, binoculars, pen, postage scale, etc. The changes from that photograph's time to the present span only one long-lived person's lifetime!