. Chewing on gum while cutting onions can help a person from stop producing tears. Try it next time you chop onions.
العلكة توقف انتاج الدموع لدى الشخص اثناء تقطيعه للبصل

2. Until babies are six months old, they can breathe and swallow at the same time. Indeed convenient!

الرضيع لعمر ستة اشهر يمتص ويتنفس في وقت واحد

  3     . Offered a new pen to write with, 97% of all people will write their own name.
    4. Male mosquitoes are vegetarians. Only females bite.

                                                 دكر حشرة موسكيتوز نباتي . فقط الانثى تعض

   5. The average person's field of vision encompasses a 200-degree wide angle.
    6. To find out if a watermelon is ripe, knock it, and if it sounds hollow then it is ripe .

       7. Canadians can send letters with personalized postage stamps showing their own photos on each stamp.

    8. Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.

  عيون الرضيع لا تنتج دموع الا حين بلوغه من ستة الى ثمانية اسابيع
    9. It snowed in the Sahara Desert in February of 1979.

10. Plants watered with warm water grow larger and more quickly than plants watered with cold water.
النباتات التي تسقى بالماء الدافيء تنمو اكبر واسرع من النباتات التي تسقى بالماء البارد

11. Wearing headphones for just an hour will increase the bacteria in your ear by 700 times.
لبس السماعات لساعة واحده فقط يزيد البكتريا في ادنيك 700 مرة

12. Grapes explode when you put them in the microwave.
حبات العنب تتفجر عند وضعها في الميكرويف

13. Those stars and colours you see when you rub your eyes are called phosphenes.

14. Our eyes  (Pupils)  are always the same size from birth, but our nose and ears never stop growing.
تبقى عيوننا دائما بنفس الحجم من الولادة لكن الانف والادنين لا يتوقف نموها

15. Everyone's tongue print is different, like fingerprints.
طبع اللسان يختلف مثل طبع الاصابع

16. Contrary to popular belief, a swallowed chewing gum doesn't stay in the gut. It will pass through the system and be excreted.

17. At 40 Centigrade a person loses about 14.4 calories per hour by breathing.

18. There is a hotel in Sweden built entirely out of ice; it is rebuilt every year.
فندق الثلج في السويد يعاد بنائه كل سنه

19. 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 .

20. Onions help reduce cholesterol if eaten after a fatty meal.

21. The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.