Clean air should not smell bad. - 13
At higher altitudes the atmosphere gets thinner and the air pressure is reduced. - 30
Water will boil at 100 degrees Celsius or 212 degrees Fahrenheit. - 74
We have the right to breathe clean air. - 32849
"We are living, breathing, human beings that need water to live.
The simple act of having water with me wherever I go has completely changed my energy level, and my focus!" - Natalie Dougherty - 175
Flood waters are deeper then they appear. - 230
Aircraft can ignore gravity by increasing thrust and lift. - 282
Underwater air bubbles ignore gravity and float to the surface of the water. This is due to density and buoyancy of the bubble compared to the surrounding water.
Gravity cannot keep the air bubble down under the water. - 283
The airline passengers are required to shut off electronic devices during takeoff and landing. - 626
Water weighs about 8.3 pounds per gallon. - 691
You can't tell what a watermelon is going to taste like before you cut it open. At least you can taste a grape before you buy a bunch. - 692