90 percent of a tree is made up of air with the rest being made up of minerals from the soil.

A gorilla sleeps about 70 percent of its twenty-three year life span.

Your bathroom is the scene of 3 percent of all accidents in the home.

Your bedroom is the scene of about 40 percent of all accidents in the home. No other spot in your home ranks higher.

Lloyd Copeland is credited with developing the microwave oven. 
His granddaughter is Linda Ronstadt.