The annual Mammoth Hike Challenged, hosted each year since 2020, encourages hikers to explore the Ice Age Trail and visit Trail Communities. More than 8,000 people registered to complete the hike ...

While the Earth has gone through some dramatic climate changes in its 4.6-billion-year history, natural processes like silicate weathering can help return things to a comfortable equilibrium. A new ...

Chile and Mexico experienced severe economic crises in the early 1980s. This paper analyzes four possible explanations for why Chile recovered much faster than did Mexico. Comparing data from the two ...