Around 8% of children and 2% of adults have some kind of food allergy, this occurs when the body’s immune system incorrectly assumes a certain food protein is harmful and attacks it. Common examples of food allergies include reactions to peanuts, gluten and shellfish
It is forbidden for aircraft to fly over the Taj Mahal.
The most powerful earthquake to strike the United States occurred in 1811 in New Madrid, Missouri. The quake shook more than one million square miles, and was felt as far as 1,000 miles away.
The average apple contains around 130 calories.
Pumpkins are usually labelled as vegetables but they contain seeds and are technically fruit.
Cutting onions releases a gas which causes a stinging sensation when it comes into contact with your eyes. Your body produces tears to dilute the irritant and remove it from your eyes.
Above 4 °C, water expands when heated and contracts when cooled. But between 4 °C and 0 °C it does the opposite, contracting when heated and expanding when cooled.
Carbon comes in a number of different forms (allotropes), these include diamond, graphite and impure forms such as coal.
Helium is lighter than the air around us so it floats, that's why it is perfect for the balloons you get at parties.
It takes the body around 12 hours to completely digest eaten food.