- Chewing on gum while cutting onions can help a person from stop producing tears. Try it next time you chop onions.  
- Until babies are six months old, they can breathe and swallow at the same time. Indeed convenient!  
- Offered a new pen to write with, 97% of all people will write their own name.  
- Male mosquitoes are vegetarians. Only females bite.  
- The average person's field of vision encompasses a 200-degree wide angle.  
- To find out if a watermelon is ripe, knock it, and if it sounds hollow then it is ripe. 
- Canadians can send letters with personalized postage stamps showing their own photos on each stamp.  
- Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.  
- It snowed in the Sahara Desert in February of 1979.  
- Plants watered with warm water grow larger and more quickly than plants watered with cold water.  
- Wearing headphones for just an hour will increase the bacteria in your ear by 700 times.  
- Grapes explode when you put them in the microwave.  
- Those stars and colours you see when you rub your eyes are called phosphenes.  
- Our eyes are always the same size from birth, but our nose and ears never stop growing.  
- Everyone's tongue print is different, like fingerprints.  
- Contrary to popular belief, a swallowed chewing gum doesn't stay in the gut. It will pass through the system and be excreted.  
- At 40 Centigrade a person loses about 14.4 calories per hour by breathing.  
- There is a hotel in Sweden built entirely out of ice; it is rebuilt every year.  
- Cats, camels and giraffes are the only animals in the world that walk right foot, right foot, left foot, left foot, rather than right foot, left foot.  
- Onions help reduce cholesterol if eaten after a fatty meal.  
- The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting