Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
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
4.5 pounds of sunlight strike the Earth each day.
27
Nearly 50% of the world's scientists are assigned to military projects.
71
Research indicates that plants grow healthier when they are stroked.
173