CAPTCHA puzzles are intended to be easy for a human to solve but difficult for a computer. Because of the monetary value to spammers of circumventing these controls, an arms race has occurred in which typical CAPTCHA puzzles have […]

This druglore as he calls it was collected by students in the 1960's in Berkeley, Austin and Bloomington, and as far as I know much of it is in print for the first time.

The solitary, lumbering trolls of Scandinavian mythology would sometimes be turned to stone by exposure to sunlight. Barack Obama is hoping that several measures announced on June 4th will have a similarly paralysing effect on their modern incarnation, the patent troll.

Arrowroot is the fecula of Maran′ta arundina′cea or West Indian arrowroot; Sex. Syst. Monandria Monogynia; Nat. Ord. Marantaceæ; a plant, which is a native of South America and the West Indies, where it is largely cultivated in gardens and provision grounds. The tubers or roots are beaten into a pulp, stirred with cold water, removing the fibres with the hand; the milky juice is passed through a fine sieve, and the starch is allowed to subside in the strained fluid. The fecula is then washed, and dried without heat. This is the Arrowroot.