Elizabeth Borneman
Geography of Giant Sequoias
Giant sequoias are one of the longest lived tree species, with the oldest giant sequoia living an estimated 3,400 years.
Tracking Penguin Colonies Through Their Droppings
Researchers are using satellite imagery to map Antarctica’s penguin population by estimating their numbers based on the large guano stains left behind.
The Highest 11 Mountains in the United States
Learn about the highest 11 mountains in the United States.
Types of Map Projections
Map projections are used to transform the Earth's three-dimensional surface into a two-dimensional representation.
Geography of Wild Horses in the United States
Wild horses continue to roam the Western United States as well as parts of the East Coast.