Aluminum used to be more valuable than gold!
84
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Out of all the senses, smell is most closely linked to memory.
146
A cubic yard of air weighs about 2 pounds at sea level.
31
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The smell of freshly cut grass is actually a plant distress call.
31
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21