How can a rabbit tell me if Im pregnant?
You might associate fluffy, white bunnies with a magician’s stage show, but rabbits played a far more crucial role from the 1930s to the early 1960s — as the key elements of pregnancy tests. While the method of injecting a rabbit with human urine to test for pregnancy has become little more than a curio of the past, the basic principles involved with testing urine date back thousands of years and continue to this day. Physicians, healers and novices alike have studied human urine for insight into our biological processes for about 6,000 years [source: Armstrong]. Historians believe the physicians of ancient Egypt were the first to