The geysers and hot springs of the Yellowstone are another proof of recent volcanic activity. Download Download Share on Facebook Share on Twitter Rotate quotes activity geyser hot
History in its broadest aspect is a record of man's migrations from one environment to another. Ellsworth Huntington aspectbroadenvironment Change image and share on social
America forms the longest and straightest bone in the earth's skeleton. Ellsworth Huntington americaboneearth Change image and share on social
Today, no less than in the past, the tetrahedral form of the earth and the relation of the tetrahedron to the poles and to the equator preserve the conditions that favor rapid evolution. Ellsworth Huntington conditionearthequator Change image and share on social
Life leaps like a geyser for those who drill through the rock of inertia. Alexis Carrel drillgeyserinertia Change image and share on social
If a man made himself an expert in any particular branch of human activity, there would result the strong tendency that a peculiar aptitude towards the same branch would be found among some of his descendants. Sidney Lanier activityaptitudebranch share on social
Over the next few years the boardrooms of America are going to light up with hot flashes. Gail Sheehy americaboardroomflash Change image and share on social