The average office desk has 400 times more bacteria on it than a toilet.
Did you know?
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
Did you know?
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.
Hydrogen Bonding and the Properties of Water
Erythroblastosis fetalis. (a) The condition occurs with an RH+ father and RH– mother. (b) First preg
Hydrogen bonding of water with itself and with other compounds
Carbonyl groups reaction type
Water pollution types
Water breaks (Or Water rupture) "نزول ماء الجنين او ميه الراس"