It is plain that natural science has developed more diachronic concern, more of the longer historical approach in its interests and repertory, in the last two centuries than in the two millennia before.

'What're these big-ass panties doing on my rail?' demanded Britney in the dressing room, 'Where's the name tag . . . These have clitty litter in them! Ugh!'

The others, dronabinol (Marinol, Syndros) and nabilone (Cesamet), are pills used to curb nausea in cancer patients undergoing chemotherapy and to stimulate appetite in AIDS patients with wasting syndrome.

For a biological filter bed, he suggested that the constituent particles be surrounded by a wet biolayer.