Cold water weighs more than hot water.
93
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Hot water can freeze faster than cold water.
181
The sun is 330,330 times larger than the earth.
75
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
One cubic foot of gold weighs more than 1,200 pounds!
78
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
One ragweed plant can release as many as one billion grains of pollen!
51