Category: Weather

Many people mistakenly believe they are safe from UV radiation on an overcast day, but studies show that up to 80% of UV rays can penetrate clouds. This means you still can get vitamin D from cloudy skies, though the efficiency of your body's production is greatly reduced.

Over one-third of the world's population lives in dry or humid climates, making proper hydration crucial for a massive number of people. The answer to whether you dehydrate faster in dry or humid weather is not as simple as it seems and involves understanding how your body cools itself through sweating and evaporation.

The energy released by a single hurricane is comparable to the annual energy consumption of the United States. This immense power is a far cry from the nutritional calories found in food, though the misleading question "How many calories are in a hurricane?" has two surprisingly different answers depending on whether you are talking about the meteorological phenomenon or the famous cocktail.

While a powerful EF5 tornado can release kinetic energy estimated at over 50 terajoules, it contains zero nutritional calories because it is a weather phenomenon, not a food source. The question itself highlights a fundamental confusion between the scientific unit of energy (joules) and the nutritional unit of energy (calories) associated with food.