26Morse Code Navigation
Pilots in the 1930s and 1940s navigated aircraft using Morse code. The "low-frequency radio range" system signaled left turns with the letter A, right turns with the letter N, and a continuous tone for straight flight. Pilots spent hours listening to Morse code, and this system was prone to giving wrong directions.
27. Your taste buds have a finite life span, lasting about 10 days each.
28. Puff the Magic Dragon was indeed written as a children's poem and is not a veiled reference to smoking marijuana.
29. Direct sunlight isn't always ideal for drying laundry. Sun exposure can cause color fading, and the strong ultraviolet rays may weaken fabric bonds.
30. The Heat Index (also known as the "feels-like" temperature) accurately applies only to average-sized, well-hydrated, healthy adults sitting in shade with a 5-knot breeze. Constants in the formula represent specific conditions, and any deviations lead to inaccuracies.
