Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Indoor pollution is 10 times more toxic than outdoor pollution.
62
The only letter not appearing on the Periodic Table is the letter "J".
180
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Pure water (H2O) does not conduct electricity on its own.
46
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51