1) The avocado, native to Central and South America, is a versatile fruit known for its creamy texture and nutritional benefits. Avocados are rich in healthy fats, fiber, and vitamins, making them a popular ingredient in salads, sandwiches, guacamole, and smoothies. They have gained significant popularity in recent years, becoming a staple in healthy eating and plant-based diets.

2) The Great Wall of China is not visible from space without aid, contrary to popular belief.

3) The first successful mass-produced personal computer, the IBM PC, was introduced in 1981 and played a significant role in popularizing the use of computers in homes and offices.

4) The world's first insurance policy was issued in 1347 in Genoa, Italy. It insured against the risk of maritime trade.