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Author Question: An excited gas in a gas-discharge tube emits light that disperses into a(n) ______________ spectrum. ... (Read 28 times) |
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.
Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
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.