Question 1: Where did the fashion trend of wearing jeans originate?
Question 2: What part of the human body is responsible for producing insulin?
The pancreas is a vital organ that not only produces insulin, which regulates blood sugar levels, but also produces enzymes that help in digestion. Insulin produced by beta cells in the pancreas allows your body to use sugar from carbohydrates in the food for energy or to store glucose for future use.
Question 3: Who is credited with writing the first documented travel guide?
Pausanias, a Greek traveler and geographer of the 2nd century AD, is credited with writing the first surviving comprehensive travel guide, "Description of Greece", which details his observations of ancient Greek sites, culture, and history.
Question 4: What is the only mammal that can't jump?
Elephants are the only mammal that can't jump. Their massive weight (up to 6 tons) makes it impossible for them to get all four feet off the ground at the same time. Instead, they run by moving both right feet forward, followed by both left feet, resulting in a speed of up to 25 mph.
Question 5: If the pH level of a substance is low, what does this indicate about the substance?
The pH scale ranges from 0 to 14 and measures how acidic or alkaline a substance is. A pH below 7 indicates acidity, with lower values being more acidic. Acids release hydrogen ions (H+) in water, which lowers the pH. Some common examples of acids include vinegar, lemon juice, and battery acid.
Question 6: When was the first appearance of the superhero Batman in comic books?
Batman made his debut in Detective Comics #27, which was published in May 1939. He was created by artist Bob Kane and writer Bill Finger, and has since become one of the most iconic and recognizable superheroes in popular culture.
Question 7: Which multinational corporation is the world's largest restaurant chain by revenue?
As of 2021, McDonald's is the largest restaurant chain in the world by revenue, with over 38,000 locations in more than 100 countries. The company was founded in 1940 and has since become a global icon in the fast-food industry.
Question 8: Who is credited with the discovery of penicillin?
Alexander Fleming discovered penicillin in 1928 when he noticed that a mold that had accidentally contaminated a culture plate was preventing the growth of bacteria. This serendipitous discovery revolutionized medicine and has saved countless lives.
Question 9: In Greek mythology, who is the goddess of wisdom and war?
In Greek mythology, Athena is the goddess of wisdom, war, and crafts. She is often depicted wearing a helmet and holding a spear and shield. According to legend, she sprang fully grown and armed from the forehead of her father, Zeus.
Question 10: When were the modern Olympic Games first held?
The first modern Olympic Games took place in Athens, Greece, from April 6 to April 15, 1896. It marked the revival of the ancient Olympic Games that originated in Olympia, Greece, over 2,700 years earlier.
Jeans trace back to the 1870s in the United States where they were originally worn by cowboys and miners. Levi Strauss and Jacob Davis patented the first blue jeans in 1873.