Alkaloid use of Ephedra and opium poppies. Also, coca leaves have been used by South American Indians since ancient times. Extracts from plants containing toxic alkaloids, such as aconitine and tubocurarine, were used since antiquity for poisoning arrows. Studies of alkaloids began in the 19th century. In 1804, the German chemist Friedrich Sertürner isolated from opium a "soporific principle" (), which he called "morphium" in honor of Morpheus, the Greek god of dreams; in German and some other Central-European languages, this is still the name of the drug. The term "morphine", used in English and French, was given by the French
The Footprints of God Subsequent dreams seem to be memories of Jesus of Nazareth, something that Tennant, an atheist, finds strange and bewildering. They take a bizarre turn when he sees himself as an NSA assassin sent to kill him, and also as his dead friend, Andrew Fielding, in his last moments. In the end, it seems that someone was in fact showing him these dreams, to tell him something. The Footprints of God The Footprints of God is a thriller novel written by American author Greg Iles. It was published in hardcover in 2003 by Scribner, then in March 2004 by Pocket Books,