• The Earth is estimated to be about 4.54 billion years old.
• The average human body contains around 37 trillion cells.
• The average human brain has around 86 billion neurons.
• The sun is the closest star to Earth.
• It takes 8 minutes for sunlight to reach Earth.
• On average, it takes 66 days to form a new habit.
• The average human blinks approximately 15 to 20 times per minute.
• The average human heart beats around 100,000 times per day.
• The average lifespan of a human being is approximately 79 years. • The average human body temperature is 98.6°F (37°C).
• An adult human body consists of 206 bones.
• There are more than 7,000 languages spoken in the world today. • The most spoken language in the world is Mandarin Chinese, with over 1 billion speakers.
• The smallest bone in the human body is the stapes bone in the middle ear, which is only about 0.11 inches (2.8 mm) long.
• The human nose can remember around 50,000 different scents.