Tag: Science facts

Every year, approximately 35,000 tons of cosmic dust fall onto Earth, but despite common confusion with branded products, this extraterrestrial matter contains zero digestible calories for humans. This vast cosmic debris consists of tiny particles that, while fundamental to the universe, possess no nutritional value.

Hypertonic solutions are, by definition, solutions with a higher concentration of solutes compared to another solution, and in many common contexts, this solute is salt. This means that compared to bodily fluids like blood, a hypertonic saline solution does indeed have a significantly higher salt content.

By scientific convention, a single gram of TNT equivalent is defined as releasing exactly 1 kilocalorie, also known as one food Calorie. While this sounds comparable to a tiny amount of food, the comparison is misleading due to the vastly different nature of the energy release.

Over 90% of adults worldwide consume caffeine daily, but one question persists that stems from common name confusion: does kinetic energy have caffeine? The answer is a definitive no, as the two are completely unrelated concepts from different fields.

While an average cup of brewed coffee contains about 95mg of caffeine, the question of whether coffee or tea has more caffeine is more complex than it appears. However, the initial premise of comparing a 'gas' is based on a fundamental scientific misconception, as caffeine is actually a solid, not a gas.

An average adult male's body is composed of approximately 60% water, a figure that is dramatically different from the persistent myth that suggests our bodies are nearly all water. So, is your body 98 percent water? The short answer is no, and understanding the real figure offers fascinating insights into human biology.