One barrel of petroleum holds 42 gallons.
20
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
One ragweed plant can release as many as one billion grains of pollen!
51
The smell of freshly cut grass is actually a plant distress call.
31
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Scientists in Germany have developed a candy that doesn't cause cavities.
11