It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
A cubic yard of air weighs about 2 pounds at sea level.
31
Sound at the right vibration can bore holes through a solid object.
134
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
Scientists are now able to grow 'beating' heart tissue in a lab!
162
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
One 75-watt bulb gives more light than three 25-watt bulbs.
57