Sound travels fifteen times faster through steel than through air.
134
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
If the chemical sodium is dropped into water it will immediately and violently explode.
67
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Iron weighs more after it rusts.
68
According to studies, men change their minds two to three times more often than women.
72
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Aluminum used to be more valuable than gold!
84