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Slide 1: Some known/unknown things
Slide 2: Chewing on gum while cutting onions can help a person from stop producing tears. Try it next time you chop onions.
Slide 3: Until babies are six months old, they can breathe and swallow at the same time. Indeed convenient!
Slide 4: Offered a new pen to write with, 97% of all people will write their own name.
Slide 5: Male mosquitoes are vegetarians. Only females bite.
Slide 6: The average person's field of vision encompasses a 200degree wide angle.
Slide 7: To find out if a watermelon is ripe, knock it, and if it sounds hollow then it is ripe.
Slide 8: Canadians can send letters with personalized postage stamps showing their own photos on each stamp.
Slide 9: Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
Slide 10: It snowed in the Sahara Desert in February of 1979.
Slide 11: Plants watered with warm water grow larger and more quickly than plants watered with cold water.
Slide 12: Wearing headphones for just an hour will increase the bacteria in your ear by 700 times.
Slide 13: Grapes explode when you put them in the microwave.
Slide 14: Those stars and colours you see when you rub your eyes are called phosphenes.
Slide 15: Our eyes are always the same size from birth, but our nose and ears never stop growing.
Slide 16: Everyone's tongue print is different, like fingerprints.