Sound travels about 4 times faster in water than in air.
408
The only letter not appearing on the Periodic Table is the letter "J".
180
Diamonds can be shattered with a hammer.
-104
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
One ragweed plant can release as many as one billion grains of pollen!
51
The bark of an older redwood tree is fireproof.
65
Out of all the senses, smell is most closely linked to memory.
146
