Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Aluminum used to be more valuable than gold!
84
One cubic foot of gold weighs more than 1,200 pounds!
78
No matter how cold it gets, gasoline will not freeze.
107