this comparison is not made here but a comparative study of the two drugs would make a most interesting investigation. One is also reminded of Rauwolfia from Ancient India which turned out to have a hypotensive action. The author has written a very interesting and useful book, but it is a pity that the documentation is rather limited. There has of late been a resurgence of interest in "natural"...

Prospects of obtaining plants glowing in the dark have captivated the imagination of scientists and layman alike. While light emission has been developed into a useful marker of gene expression, bioluminescence in plants remained dependent on externally supplied substrate. Evolutionary conservation of the prokaryotic gene expression machinery enabled expression of the six genes of the lux opero...

The rendering of plants in an ecosystem involves three separate tasks that result in a visually complex scene. This paper will describe these rendering tasks according through a level of detail approach with each level possessing greater detail. For example, the first level of detail consists of rendering the ecosystem scene. The second level involves a more detailed rendering of the structure ...

Figure 1. Carnivorous plants. When we chew and then swallow meat, we stimulate glands (pancreatic acinar cells) to secrete hydrochloric acid and proteases. Amino acids released into the human stomach by the acidic lytic sap are forwarded to and taken up by the intestine. When compared with the human endocrine system, the Venus flytrap also operates as a mouth, stomach and intestine, all combine...