|
Author Question: Explain why it is difficult to give an accurate count of the number of species that go extinct each ... (Read 62 times) |
Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.
In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.
The longest a person has survived after a heart transplant is 24 years.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.