The World of Facts

A single strand could hold 100g (3oz) in weight: the combined hair of a whole head could support 12 tonnes or the weight of two elephants. Weight for weight, it is not strong as steel: more like aluminium, or reinforced glass fibres or Kevlar, which is used to make bulletproof vests .

Did you ever counted how many times you breathed today? You might say that it's a little less than impossible task, but for your knowledge, according to a research, a normal human being breathes about 20,000 times in a day. Taking the average of 960 breathes an hour, a person would breathe about 8,409,600 times in an year. If a person lives to 80, they would take about 672,768,000 breathes in a lifetime. How much air passes through your lungs everyday? The average adult while at rest inhales and exhales about 7 or 8 litres of air per minute. That totals about 11,000 litres of air per day. Inhaled air is about 20% of oxygen and exhaled air  is about 20% oxygen. Know about the cancer in lungs, Mesothelioma, Mesothelioma Compensation and Mesothelioma survival rates here .  Is pure oxygen deadly? We breathe air that is 20-21% oxygen, and we require oxygen to live. So you might think that breathing 100% oxygen would be good for us, but actually it can be harmful

Phosphors radiate visible light after being energised. This means you have to expose the items to light for a while before they will glow in the dark. Phosphors then slowly release their stored energy over time. As they release the energy, they emit small amount of light, which we see as an object glowing.

The sleepiest animal in the world is the Koala, who sleeps for 22 hours in a day. Next is the Sloth which sleeps around 20 hours in a day. Next is Armadilo and Oposum(tied at 19 hours each), Lemur (16 hours), then Hamster and Squirrel (tied at 14 hours each). What about Cats? Though some cats can sleep upto 20 hours a day, while the average cat sleeps 13 hours a day. In comparison to Koalas, cats are downright energetic.

The flag of China was officially adopted on the 1st day of October in 1949. The red of the Chinese flag symbopresent the lises the communist revolution, and it's also the traditional colour of the people of China. The large gold star represents comm al classes of t unism, while the four other smaller stars re  socihe people.