Journey of the US Exploring Expedition (1838-1842)

Mar 18 2019

Expeditions

One of the earliest and most impactful scientific expeditions led by the…


By Charles J. Zimmerman

Climate Change & Alpine Retreat

Sep 27 2019

Specimen Stories

Temperature and moisture availability are factors which influence the distribution patterns of…


By Charles J. Zimmerman

The Blessings of Snow

Sep 27 2019

Often considered a hindrance to vegetation in milder climates, snow plays a…


By Charles J. Zimmerman